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31426500052 = 2251671520539
BaseRepresentation
bin11101010001001010…
…100101010111010100
310000010011111121120101
4131101022211113110
51003330141000202
622234230543444
72161530562063
oct352112452724
9100104447511
1031426500052
11123674926a2
126110807b84
132c6aa9177c
141741a981da
15c3dea5887
hex7512a55d4

31426500052 has 12 divisors (see below), whose sum is σ = 55007055040. Its totient is φ = 15710198616.

The previous prime is 31426500019. The next prime is 31426500097. The reversal of 31426500052 is 25000562413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739602 + ... + 780937.

Almost surely, 231426500052 is an apocalyptic number.

It is an amenable number.

31426500052 is a deficient number, since it is larger than the sum of its proper divisors (23580554988).

31426500052 is a wasteful number, since it uses less digits than its factorization.

31426500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525710 (or 1525708 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 31426500052 in words is "thirty-one billion, four hundred twenty-six million, five hundred thousand, fifty-two".

Divisors: 1 2 4 5167 10334 20668 1520539 3041078 6082156 7856625013 15713250026 31426500052