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315948013930 = 25172716857999
BaseRepresentation
bin1001001100011111111…
…10000001100101101010
31010012111221221002001201
410212033332001211222
520134030142421210
6401051114234414
731553325543643
oct4461776014552
91105457832051
10315948013930
11111aa14651aa
1251296425a0a
1323a41bb2743
14114132206ca
15834283653a
hex498ff8196a

315948013930 has 32 divisors (see below), whose sum is σ = 604381824000. Its totient is φ = 118506205440.

The previous prime is 315948013889. The next prime is 315948013937. The reversal of 315948013930 is 39310849513.

It is a super-2 number, since 2×3159480139302 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315948013937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382930 + ... + 3475069.

It is an arithmetic number, because the mean of its divisors is an integer number (18886932000).

Almost surely, 2315948013930 is an apocalyptic number.

315948013930 is a deficient number, since it is larger than the sum of its proper divisors (288433810070).

315948013930 is a wasteful number, since it uses less digits than its factorization.

315948013930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858294.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 315948013930 in words is "three hundred fifteen billion, nine hundred forty-eight million, thirteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 271 542 1355 2710 4607 9214 23035 46070 6857999 13715998 34289995 68579990 116585983 233171966 582929915 1165859830 1858517729 3717035458 9292588645 18585177290 31594801393 63189602786 157974006965 315948013930