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2856966125 = 53132135241
BaseRepresentation
bin1010101001001001…
…1101011111101101
321101002212220202012
42222102131133231
521322340404000
61151254411005
7130540545206
oct25222353755
97332786665
102856966125
111236756a32
12678960a65
13366b84300
141d16125ad
1511ac3d735
hexaa49d7ed

2856966125 has 24 divisors (see below), whose sum is σ = 3860888616. Its totient is φ = 2109744000.

The previous prime is 2856966097. The next prime is 2856966131. The reversal of 2856966125 is 5216696582.

It can be written as a sum of positive squares in 12 ways, for example, as 2590199236 + 266766889 = 50894^2 + 16333^2 .

It is not a de Polignac number, because 2856966125 - 28 = 2856965869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46496 + ... + 88745.

It is an arithmetic number, because the mean of its divisors is an integer number (160870359).

Almost surely, 22856966125 is an apocalyptic number.

2856966125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2856966125 is a deficient number, since it is larger than the sum of its proper divisors (1003922491).

2856966125 is a wasteful number, since it uses less digits than its factorization.

2856966125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135282 (or 135259 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 2856966125 is about 53450.5951790997. The cubic root of 2856966125 is about 1418.9541537029.

The spelling of 2856966125 in words is "two billion, eight hundred fifty-six million, nine hundred sixty-six thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 169 325 845 1625 4225 21125 135241 676205 1758133 3381025 8790665 16905125 22855729 43953325 114278645 219766625 571393225 2856966125