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125316869 = 412127587
BaseRepresentation
bin1110111100000…
…10111100000101
322201210202102112
413132002330011
5224040114434
620233550405
73051114206
oct736027405
9281722375
10125316869
1164813467
1235b75405
131cc68cc2
14129015ad
15b005dce
hex7782f05

125316869 has 12 divisors (see below), whose sum is σ = 129679872. Its totient is φ = 121091040.

The previous prime is 125316853. The next prime is 125316881. The reversal of 125316869 is 968613521.

It is not a de Polignac number, because 125316869 - 24 = 125316853 is a prime.

It is a super-2 number, since 2×1253168692 = 31408635311926322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125316839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213194 + ... + 213780.

It is an arithmetic number, because the mean of its divisors is an integer number (10806656).

Almost surely, 2125316869 is an apocalyptic number.

It is an amenable number.

125316869 is a deficient number, since it is larger than the sum of its proper divisors (4363003).

125316869 is an equidigital number, since it uses as much as digits as its factorization.

125316869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 755 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 125316869 is about 11194.5017307605. The cubic root of 125316869 is about 500.4221355029.

The spelling of 125316869 in words is "one hundred twenty-five million, three hundred sixteen thousand, eight hundred sixty-nine".

Divisors: 1 41 127 587 1681 5207 24067 74549 213487 986747 3056509 125316869