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315048652157 = 3118793540779
BaseRepresentation
bin1001001010110100101…
…11001110110101111101
31010010012021121202122102
410211122113032311331
520130204423332112
6400421545554445
731522125233651
oct4453227166575
91103167552572
10315048652157
1111167a829408
12510851a5a25
132392a780705
14113699cca61
1582dd8d3bc2
hex495a5ced7d

315048652157 has 8 divisors (see below), whose sum is σ = 325229418240. Its totient is φ = 304869005280.

The previous prime is 315048652151. The next prime is 315048652159. The reversal of 315048652157 is 751256840513.

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 315048652157 - 214 = 315048635773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315048652151) 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, 312194 + ... + 852972.

It is an arithmetic number, because the mean of its divisors is an integer number (40653677280).

Almost surely, 2315048652157 is an apocalyptic number.

It is an amenable number.

315048652157 is a deficient number, since it is larger than the sum of its proper divisors (10180766083).

315048652157 is a wasteful number, since it uses less digits than its factorization.

315048652157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559603.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 315048652157 in words is "three hundred fifteen billion, forty-eight million, six hundred fifty-two thousand, one hundred fifty-seven".

Divisors: 1 31 18793 540779 582583 16764149 10162859747 315048652157