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315012640836 = 22359943824797
BaseRepresentation
bin1001001010110000011…
…01110111000001000100
31010010002202212012101210
410211120031313001010
520130121214001321
6400414222051420
731521210160455
oct4453015670104
91103082765353
10315012640836
11111661472593
1251075119b70
132392318253a
1411364cd712c
1582da66db76
hex4958377044

315012640836 has 24 divisors (see below), whose sum is σ = 736256606400. Its totient is φ = 104828912032.

The previous prime is 315012640829. The next prime is 315012640837. The reversal of 315012640836 is 638046210513.

It is a junction number, because it is equal to n+sod(n) for n = 315012640794 and 315012640803.

It is not an unprimeable number, because it can be changed into a prime (315012640837) 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, 21905211 + ... + 21919586.

It is an arithmetic number, because the mean of its divisors is an integer number (30677358600).

Almost surely, 2315012640836 is an apocalyptic number.

It is an amenable number.

315012640836 is an abundant number, since it is smaller than the sum of its proper divisors (421243965564).

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

315012640836 is a wasteful number, since it uses less digits than its factorization.

315012640836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43825403 (or 43825401 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 315012640836 in words is "three hundred fifteen billion, twelve million, six hundred forty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 599 1198 1797 2396 3594 7188 43824797 87649594 131474391 175299188 262948782 525897564 26251053403 52502106806 78753160209 105004213612 157506320418 315012640836