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315112020052 = 2278778005013
BaseRepresentation
bin1001001010111100010…
…00111101100001010100
31010010100200212012001111
410211132020331201110
520130322134120202
6400432132104404
731523524656004
oct4453610754124
91103320765044
10315112020052
1111170257a675
12510a2465104
132393a9395cb
14113741a6004
1582e424e6d7
hex495e23d854

315112020052 has 6 divisors (see below), whose sum is σ = 551446035098. Its totient is φ = 157556010024.

The previous prime is 315112019993. The next prime is 315112020073. The reversal of 315112020052 is 250020211513.

It can be written as a sum of positive squares in only one way, i.e., 222016246596 + 93095773456 = 471186^2 + 305116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39389002503 + ... + 39389002510.

Almost surely, 2315112020052 is an apocalyptic number.

It is an amenable number.

315112020052 is a deficient number, since it is larger than the sum of its proper divisors (236334015046).

315112020052 is a wasteful number, since it uses less digits than its factorization.

315112020052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78778005017 (or 78778005015 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 315112020052 its reverse (250020211513), we get a palindrome (565132231565).

The spelling of 315112020052 in words is "three hundred fifteen billion, one hundred twelve million, twenty thousand, fifty-two".

Divisors: 1 2 4 78778005013 157556010026 315112020052