Search a number
-
+
20312500010360 = 2352925013700067
BaseRepresentation
bin1001001111001010111110…
…10110001111110101111000
32122220212010001100212000112
410213211133112033311320
510130300000000312420
6111111233401523452
74164346454210165
oct447453726176570
978825101325015
1020312500010360
11652153478a108
1223408471a3588
13b445caa33b7c
145031b757706c
15253594b318c5
hex12795f58fd78

20312500010360 has 64 divisors (see below), whose sum is σ = 47281052570400. Its totient is φ = 7844502754816.

The previous prime is 20312500010359. The next prime is 20312500010393. The reversal of 20312500010360 is 6301000521302.

It is a super-3 number, since 3×203125000103603 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28665047 + ... + 29365113.

Almost surely, 220312500010360 is an apocalyptic number.

20312500010360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20312500010360 is an abundant number, since it is smaller than the sum of its proper divisors (26968552560040).

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

20312500010360 is a wasteful number, since it uses less digits than its factorization.

20312500010360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725120 (or 725116 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20312500010360 its reverse (6301000521302), we get a palindrome (26613500531662).

The spelling of 20312500010360 in words is "twenty trillion, three hundred twelve billion, five hundred million, ten thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 25013 50026 100052 125065 200104 250130 500260 700067 725377 1000520 1400134 1450754 2800268 2901508 3500335 3626885 5600536 5803016 7000670 7253770 14001340 14507540 20301943 28002680 29015080 40603886 81207772 101509715 162415544 203019430 406038860 812077720 17510775871 35021551742 70043103484 87553879355 140086206968 175107758710 350215517420 507812500259 700431034840 1015625000518 2031250001036 2539062501295 4062500002072 5078125002590 10156250005180 20312500010360