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20714303354640 = 2435797127112809
BaseRepresentation
bin1001011010110111011001…
…01100010111011100010000
32201100021020102020121022020
410231123230230113130100
510203340343124322030
6112020004122011440
74235362514244540
oct455335454273420
981307212217266
1020714303354640
11666698324a785
1223a66a2346b80
13b73472b6351c
14518813043320
1525dc5e9e4510
hex12d6ecb17710

20714303354640 has 160 divisors (see below), whose sum is σ = 74144393621760. Its totient is φ = 4685886554112.

The previous prime is 20714303354581. The next prime is 20714303354753. The reversal of 20714303354640 is 4645330341702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 20714303354592 and 20714303354601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63393445 + ... + 63719364.

It is an arithmetic number, because the mean of its divisors is an integer number (463402460136).

Almost surely, 220714303354640 is an apocalyptic number.

20714303354640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20714303354640 is an abundant number, since it is smaller than the sum of its proper divisors (53430090267120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20714303354640 is a wasteful number, since it uses less digits than its factorization.

20714303354640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127112929 (or 127112923 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 20714303354640 in words is "twenty trillion, seven hundred fourteen billion, three hundred three million, three hundred fifty-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 97 105 112 120 140 168 194 210 240 280 291 336 388 420 485 560 582 679 776 840 970 1164 1358 1455 1552 1680 1940 2037 2328 2716 2910 3395 3880 4074 4656 5432 5820 6790 7760 8148 10185 10864 11640 13580 16296 20370 23280 27160 32592 40740 54320 81480 162960 127112809 254225618 381338427 508451236 635564045 762676854 889789663 1016902472 1271128090 1525353708 1779579326 1906692135 2033804944 2542256180 2669368989 3050707416 3559158652 3813384270 4448948315 5084512360 5338737978 6101414832 7118317304 7626768540 8897896630 10169024720 10677475956 12329942473 13346844945 14236634608 15253537080 17795793260 21354951912 24659884946 26693689890 30507074160 35591586520 36989827419 42709903824 49319769892 53387379780 61649712365 71183173040 73979654838 86309597311 98639539784 106774759560 123299424730 147959309676 172619194622 184949137095 197279079568 213549519120 246598849460 258928791933 295918619352 345238389244 369898274190 431547986555 493197698920 517857583866 591837238704 690476778488 739796548380 863095973110 986395397840 1035715167732 1294643959665 1380953556976 1479593096760 1726191946220 2071430335464 2589287919330 2959186193520 3452383892440 4142860670928 5178575838660 6904767784880 10357151677320 20714303354640