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53486997875 = 531217351599
BaseRepresentation
bin110001110100000100…
…101101000101110011
312010001121020000110022
4301310010231011303
51334020132413000
640323243554055
73602312660213
oct616404550563
9163047200408
1053486997875
112075801a183
12a44882b92b
13507530618c
1428358a6243
1515d0a84585
hexc7412d173

53486997875 has 16 divisors (see below), whose sum is σ = 66806812800. Its totient is φ = 42754316800.

The previous prime is 53486997871. The next prime is 53486997901. The reversal of 53486997875 is 57879968435.

It is not a de Polignac number, because 53486997875 - 22 = 53486997871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53486997799 and 53486997808.

It is not an unprimeable number, because it can be changed into a prime (53486997871) 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 15 ways as a sum of consecutive naturals, for example, 23675 + ... + 327924.

It is an arithmetic number, because the mean of its divisors is an integer number (4175425800).

Almost surely, 253486997875 is an apocalyptic number.

53486997875 is a deficient number, since it is larger than the sum of its proper divisors (13319814925).

53486997875 is a wasteful number, since it uses less digits than its factorization.

53486997875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352831 (or 352821 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 71.

The spelling of 53486997875 in words is "fifty-three billion, four hundred eighty-six million, nine hundred ninety-seven thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 1217 6085 30425 152125 351599 1757995 8789975 43949875 427895983 2139479915 10697399575 53486997875