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20413152110640 = 243597876853613
BaseRepresentation
bin1001010010000110011101…
…01011100010100000110000
32200021110220200001022200110
410221003032223202200300
510133422113420020030
6111225401141421320
74204541640020532
oct451031653424060
980243820038613
1020413152110640
116560195218863
12235825740a840
13b50c4b681563
14508005063852
15255ed622b1b0
hex1290ceae2830

20413152110640 has 80 divisors (see below), whose sum is σ = 63933150703968. Its totient is φ = 5387388592128.

The previous prime is 20413152110629. The next prime is 20413152110641. The reversal of 20413152110640 is 4601125131402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20413152110598 and 20413152110607.

It is not an unprimeable number, because it can be changed into a prime (20413152110641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438403527 + ... + 438450086.

Almost surely, 220413152110640 is an apocalyptic number.

20413152110640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413152110640 is an abundant number, since it is smaller than the sum of its proper divisors (43519998593328).

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

20413152110640 is a wasteful number, since it uses less digits than its factorization.

20413152110640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876853726 (or 876853720 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 20413152110640 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-two million, one hundred ten thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 97 120 194 240 291 388 485 582 776 970 1164 1455 1552 1940 2328 2910 3880 4656 5820 7760 11640 23280 876853613 1753707226 2630560839 3507414452 4384268065 5261121678 7014828904 8768536130 10522243356 13152804195 14029657808 17537072260 21044486712 26305608390 35074144520 42088973424 52611216780 70148289040 85054800461 105222433560 170109600922 210444867120 255164401383 340219201844 425274002305 510328802766 680438403688 850548004610 1020657605532 1275822006915 1360876807376 1701096009220 2041315211064 2551644013830 3402192018440 4082630422128 5103288027660 6804384036880 10206576055320 20413152110640