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315204044005 = 5102161744181
BaseRepresentation
bin1001001011000111010…
…00000000010011100101
31010010121010000111012001
410211203220000103211
520131014213402010
6400445220325301
731526023111264
oct4454350002345
91103533014161
10315204044005
1111174a513624
1251109243831
1323953a19856
14113824bc5db
1582ec37ac3a
hex4963a004e5

315204044005 has 8 divisors (see below), whose sum is σ = 378615324024. Its totient is φ = 251916254400.

The previous prime is 315204043991. The next prime is 315204044039. The reversal of 315204044005 is 500440402513.

It can be written as a sum of positive squares in 4 ways, for example, as 70968427201 + 244235616804 = 266399^2 + 494202^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315204044005 - 29 = 315204043493 is a prime.

It is a Duffinian number.

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, 30866986 + ... + 30877195.

It is an arithmetic number, because the mean of its divisors is an integer number (47326915503).

Almost surely, 2315204044005 is an apocalyptic number.

It is an amenable number.

315204044005 is a deficient number, since it is larger than the sum of its proper divisors (63411280019).

315204044005 is a wasteful number, since it uses less digits than its factorization.

315204044005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61745207.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 315204044005 its reverse (500440402513), we get a palindrome (815644446518).

The spelling of 315204044005 in words is "three hundred fifteen billion, two hundred four million, forty-four thousand, five".

Divisors: 1 5 1021 5105 61744181 308720905 63040808801 315204044005