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125068812507 = 3317272481073
BaseRepresentation
bin111010001111010101…
…1101010000011011011
3102221211021000222002000
41310132223222003123
54022120104000012
6133242242412043
712015215236302
oct1643653520333
9387737028060
10125068812507
11490500a1a71
12202a5361023
13ba4238a102
1460a65db439
1533beea0ddc
hex1d1eaea0db

125068812507 has 16 divisors (see below), whose sum is σ = 196186373280. Its totient is φ = 78474548736.

The previous prime is 125068812503. The next prime is 125068812509. The reversal of 125068812507 is 705218860521.

125068812507 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 68 + 81 + 2 + 507 = 666.

It is not a de Polignac number, because 125068812507 - 22 = 125068812503 is a prime.

It is a super-2 number, since 2×1250688125072 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (125068812503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136240078 + ... + 136240995.

It is an arithmetic number, because the mean of its divisors is an integer number (12261648330).

Almost surely, 2125068812507 is an apocalyptic number.

125068812507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125068812507 is a deficient number, since it is larger than the sum of its proper divisors (71117560773).

125068812507 is a wasteful number, since it uses less digits than its factorization.

125068812507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272481099 (or 272481093 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 125068812507 in words is "one hundred twenty-five billion, sixty-eight million, eight hundred twelve thousand, five hundred seven".

Divisors: 1 3 9 17 27 51 153 459 272481073 817443219 2452329657 4632178241 7356988971 13896534723 41689604169 125068812507