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315047425531 = 1957728737337
BaseRepresentation
bin1001001010110100100…
…10100011010111111011
31010010012012022110000211
410211122102203113323
520130204120104111
6400421503411551
731522111634536
oct4453222432773
91103165273024
10315047425531
1111167a070873
12510848b3bb7
132392a4412b7
141136978da1d
1582dd740521
hex495a4a35fb

315047425531 has 8 divisors (see below), whose sum is σ = 332203627280. Its totient is φ = 297948699648.

The previous prime is 315047425501. The next prime is 315047425577. The reversal of 315047425531 is 135524740513.

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

It is a cyclic number.

It is not a de Polignac number, because 315047425531 - 213 = 315047417339 is a prime.

It is a super-2 number, since 2×3150474255312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315047425501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14357706 + ... + 14379631.

It is an arithmetic number, because the mean of its divisors is an integer number (41525453410).

Almost surely, 2315047425531 is an apocalyptic number.

315047425531 is a deficient number, since it is larger than the sum of its proper divisors (17156201749).

315047425531 is a wasteful number, since it uses less digits than its factorization.

315047425531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28737933.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 315047425531 in words is "three hundred fifteen billion, forty-seven million, four hundred twenty-five thousand, five hundred thirty-one".

Divisors: 1 19 577 10963 28737337 546009403 16581443449 315047425531