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315256432344 = 23371876526383
BaseRepresentation
bin1001001011001101011…
…11110110011011011000
31010010201202121002110220
410211212233312123120
520131121121313334
6400454331240040
731530230314050
oct4454657663330
91103652532426
10315256432344
11111777045777
12511228a9020
1323961830079
1411389438560
158301c78449
hex4966bf66d8

315256432344 has 32 divisors (see below), whose sum is σ = 900732664320. Its totient is φ = 90073266336.

The previous prime is 315256432331. The next prime is 315256432471. The reversal of 315256432344 is 443234652513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 315256432296 and 315256432305.

It is a congruent number.

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, 938263024 + ... + 938263359.

It is an arithmetic number, because the mean of its divisors is an integer number (28147895760).

Almost surely, 2315256432344 is an apocalyptic number.

It is an amenable number.

315256432344 is an abundant number, since it is smaller than the sum of its proper divisors (585476231976).

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

315256432344 is a wasteful number, since it uses less digits than its factorization.

315256432344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876526399 (or 1876526395 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The spelling of 315256432344 in words is "three hundred fifteen billion, two hundred fifty-six million, four hundred thirty-two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1876526383 3753052766 5629579149 7506105532 11259158298 13135684681 15012211064 22518316596 26271369362 39407054043 45036633192 52542738724 78814108086 105085477448 157628216172 315256432344