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315112020032 = 2631191831553
BaseRepresentation
bin1001001010111100010…
…00111101100001000000
31010010100200212012000202
410211132020331201000
520130322134120112
6400432132104332
731523524655645
oct4453610754100
91103320765022
10315112020032
1111170257a657
12510a24650a8
132393a9395b4
14113741a5dcc
1582e424e6c2
hex495e23d840

315112020032 has 56 divisors (see below), whose sum is σ = 648851607552. Its totient is φ = 151675084800.

The previous prime is 315112019993. The next prime is 315112020073. The reversal of 315112020032 is 230020211513.

It is a junction number, because it is equal to n+sod(n) for n = 315112019986 and 315112020013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36833 + ... + 794720.

Almost surely, 2315112020032 is an apocalyptic number.

315112020032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315112020032 is an abundant number, since it is smaller than the sum of its proper divisors (333739587520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315112020032 is a wasteful number, since it uses less digits than its factorization.

315112020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831787 (or 831777 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 315112020032 its reverse (230020211513), we get a palindrome (545132231545).

The spelling of 315112020032 in words is "three hundred fifteen billion, one hundred twelve million, twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 191 248 382 496 764 992 1528 1984 3056 5921 6112 11842 12224 23684 47368 94736 189472 378944 831553 1663106 3326212 6652424 13304848 25778143 26609696 51556286 53219392 103112572 158826623 206225144 317653246 412450288 635306492 824900576 1270612984 1649801152 2541225968 4923625313 5082451936 9847250626 10164903872 19694501252 39389002504 78778005008 157556010016 315112020032