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315120200012 = 22182711431173
BaseRepresentation
bin1001001010111101010…
…00001010100101001100
31010010101021020202211222
410211132220022211030
520130331232400022
6400433023302512
731523654335202
oct4453650124514
91103337222758
10315120200012
11111707157372
12510a514aa38
132393c541917
14113752d5072
1582e4d18242
hex495ea0a94c

315120200012 has 12 divisors (see below), whose sum is σ = 551464647216. Its totient is φ = 157558872240.

The previous prime is 315120200011. The next prime is 315120200027. The reversal of 315120200012 is 210002021513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (315120200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515258 + ... + 946430.

It is an arithmetic number, because the mean of its divisors is an integer number (45955387268).

Almost surely, 2315120200012 is an apocalyptic number.

It is an amenable number.

315120200012 is a deficient number, since it is larger than the sum of its proper divisors (236344447204).

315120200012 is a wasteful number, since it uses less digits than its factorization.

315120200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613888 (or 613886 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 315120200012 its reverse (210002021513), we get a palindrome (525122221525).

The spelling of 315120200012 in words is "three hundred fifteen billion, one hundred twenty million, two hundred thousand, twelve".

Divisors: 1 2 4 182711 365422 431173 730844 862346 1724692 78780050003 157560100006 315120200012