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127650125125 = 5310111389477
BaseRepresentation
bin111011011100010001…
…0100101010101000101
3110012111011020020022001
41312320202211111011
54042411413001000
6134350333105301
712136201106125
oct1667042452505
9405434206261
10127650125125
114a155193386
12208a5928231
13c0640b9223
14626d376c85
1534c18de46a
hex1db88a5545

127650125125 has 32 divisors (see below), whose sum is σ = 162310228704. Its totient is φ = 100213120000.

The previous prime is 127650125111. The next prime is 127650125149. The reversal of 127650125125 is 521521056721.

It can be written as a sum of positive squares in 16 ways, for example, as 124467134401 + 3182990724 = 352799^2 + 56418^2 .

It is not a de Polignac number, because 127650125125 - 211 = 127650123077 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 31 ways as a sum of consecutive naturals, for example, 1381887 + ... + 1471363.

It is an arithmetic number, because the mean of its divisors is an integer number (5072194647).

Almost surely, 2127650125125 is an apocalyptic number.

It is an amenable number.

127650125125 is a deficient number, since it is larger than the sum of its proper divisors (34660103579).

127650125125 is a wasteful number, since it uses less digits than its factorization.

127650125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89706 (or 89696 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 127650125125 in words is "one hundred twenty-seven billion, six hundred fifty million, one hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 101 113 125 505 565 2525 2825 11413 12625 14125 57065 89477 285325 447385 1426625 2236925 9037177 10110901 11184625 45185885 50554505 225929425 252772525 1021201001 1129647125 1263862625 5106005005 25530025025 127650125125