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31373540706 = 235228923451
BaseRepresentation
bin11101001110000000…
…100011110101100010
32222222110212000000010
4131032000203311202
51003223111300311
622225055505350
72160315460464
oct351600436542
988873760003
1031373540706
111233a600542
1260b6b28256
132c5cb0b391
141738a30134
15c394e3da6
hex74e023d62

31373540706 has 8 divisors (see below), whose sum is σ = 62747081424. Its totient is φ = 10457846900.

The previous prime is 31373540621. The next prime is 31373540707. The reversal of 31373540706 is 60704537313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

31373540706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31373540707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614461720 + ... + 2614461731.

It is an arithmetic number, because the mean of its divisors is an integer number (7843385178).

Almost surely, 231373540706 is an apocalyptic number.

31373540706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31373540706 is a wasteful number, since it uses less digits than its factorization.

31373540706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228923456.

The product of its (nonzero) digits is 158760, while the sum is 39.

The spelling of 31373540706 in words is "thirty-one billion, three hundred seventy-three million, five hundred forty thousand, seven hundred six".

Divisors: 1 2 3 6 5228923451 10457846902 15686770353 31373540706