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20315141056356 = 22337591097114729
BaseRepresentation
bin1001001111001111111001…
…10001000010011101100100
32122221002221002221220000220
410213213330301002131210
510130320402102300411
6111112351424404340
74164502063553556
oct447477461023544
978832832856026
1020315141056356
11652266a56a053
1223412637766b0
13b4492bc48793
145033882214d6
1525369b91db06
hex1279fcc42764

20315141056356 has 96 divisors (see below), whose sum is σ = 49962479952000. Its totient is φ = 6417598491648.

The previous prime is 20315141056351. The next prime is 20315141056387. The reversal of 20315141056356 is 65365014151302.

It is a happy number.

It is a super-2 number, since 2×203151410563562 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20315141056351) by changing a digit.

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, 702001 + ... + 6412728.

It is an arithmetic number, because the mean of its divisors is an integer number (520442499500).

Almost surely, 220315141056356 is an apocalyptic number.

It is an amenable number.

20315141056356 is an abundant number, since it is smaller than the sum of its proper divisors (29647338895644).

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

20315141056356 is a wasteful number, since it uses less digits than its factorization.

20315141056356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114941 (or 7114939 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 20315141056356 in words is "twenty trillion, three hundred fifteen billion, one hundred forty-one million, fifty-six thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 37 59 74 109 111 118 148 177 218 222 236 327 354 436 444 654 708 1308 2183 4033 4366 6431 6549 8066 8732 12099 12862 13098 16132 19293 24198 25724 26196 38586 48396 77172 237947 475894 713841 951788 1427682 2855364 7114729 14229458 21344187 28458916 42688374 85376748 263244973 419769011 526489946 775505461 789734919 839538022 1052979892 1259307033 1551010922 1579469838 1679076044 2326516383 2518614066 3102021844 3158939676 4653032766 5037228132 9306065532 15531453407 28693702057 31062906814 45754822199 46594360221 57387404114 62125813628 86081106171 91509644398 93188720442 114774808228 137264466597 172162212342 183019288796 186377440884 274528933194 344324424684 549057866388 1692928421363 3385856842726 5078785264089 6771713685452 10157570528178 20315141056356