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31920675483 = 337287573653
BaseRepresentation
bin11101101110100111…
…101101101010011011
310001101121101022211010
4131232213231222123
51010333143103413
622355242505003
72210011156554
oct355647555233
9101347338733
1031920675483
11125a0430a44
12622a205163
133019287678
14178b57532b
15c6c56cdc3
hex76e9eda9b

31920675483 has 8 divisors (see below), whose sum is σ = 43711195408. Its totient is φ = 20705302944.

The previous prime is 31920675473. The next prime is 31920675487. The reversal of 31920675483 is 38457602913.

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

It is not a de Polignac number, because 31920675483 - 24 = 31920675467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31920675487) 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 7 ways as a sum of consecutive naturals, for example, 143786716 + ... + 143786937.

It is an arithmetic number, because the mean of its divisors is an integer number (5463899426).

It is a 1-persistent number, because it is pandigital, but 2⋅31920675483 = 63841350966 is not.

Almost surely, 231920675483 is an apocalyptic number.

31920675483 is a deficient number, since it is larger than the sum of its proper divisors (11790519925).

31920675483 is a wasteful number, since it uses less digits than its factorization.

31920675483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287573693.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 31920675483 in words is "thirty-one billion, nine hundred twenty million, six hundred seventy-five thousand, four hundred eighty-three".

Divisors: 1 3 37 111 287573653 862720959 10640225161 31920675483