Base | Representation |
---|---|
bin | 11101101110100111… |
… | …101101101010011011 |
3 | 10001101121101022211010 |
4 | 131232213231222123 |
5 | 1010333143103413 |
6 | 22355242505003 |
7 | 2210011156554 |
oct | 355647555233 |
9 | 101347338733 |
10 | 31920675483 |
11 | 125a0430a44 |
12 | 622a205163 |
13 | 3019287678 |
14 | 178b57532b |
15 | c6c56cdc3 |
hex | 76e9eda9b |
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".
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