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31793845552 = 2472831003087
BaseRepresentation
bin11101100111000011…
…111001010100110000
310001001202201200212021
4131213003321110300
51010103211024202
622334512241224
72203611141160
oct354703712460
9101052650767
1031793845552
1112535884817
1261b3840214
132cc8c0ba81
14177879c5a0
15c61368a37
hex7670f9530

31793845552 has 40 divisors (see below), whose sum is σ = 70649494016. Its totient is φ = 13577772096.

The previous prime is 31793845429. The next prime is 31793845561. The reversal of 31793845552 is 25554839713.

It is a super-2 number, since 2×317938455522 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31793845552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469848 + ... + 533239.

Almost surely, 231793845552 is an apocalyptic number.

It is an amenable number.

31793845552 is an abundant number, since it is smaller than the sum of its proper divisors (38855648464).

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

31793845552 is a wasteful number, since it uses less digits than its factorization.

31793845552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003385 (or 1003379 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 52.

The spelling of 31793845552 in words is "thirty-one billion, seven hundred ninety-three million, eight hundred forty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 283 566 1132 1981 2264 3962 4528 7924 15848 31696 1003087 2006174 4012348 7021609 8024696 14043218 16049392 28086436 56172872 112345744 283873621 567747242 1135494484 1987115347 2270988968 3974230694 4541977936 7948461388 15896922776 31793845552