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125969670130 = 2531340245901
BaseRepresentation
bin111010101010001100…
…0001001111111110010
3110001011001011021102011
41311110120021333302
54030441213421010
6133511503113134
712046434346333
oct1652430117762
9401131137364
10125969670130
114947265a6a7
12204b6ba27aa
13bb56bc3c65
1461500dc28a
1534240eba8a
hex1d54609ff2

125969670130 has 16 divisors (see below), whose sum is σ = 227469838104. Its totient is φ = 50226883200.

The previous prime is 125969670067. The next prime is 125969670133. The reversal of 125969670130 is 31076969521.

It can be written as a sum of positive squares in 4 ways, for example, as 17887190049 + 108082480081 = 133743^2 + 328759^2 .

It is a super-2 number, since 2×1259696701302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125969670133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20119821 + ... + 20126080.

Almost surely, 2125969670130 is an apocalyptic number.

125969670130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125969670130 is a deficient number, since it is larger than the sum of its proper divisors (101500167974).

125969670130 is a wasteful number, since it uses less digits than its factorization.

125969670130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40246221.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 125969670130 in words is "one hundred twenty-five billion, nine hundred sixty-nine million, six hundred seventy thousand, one hundred thirty".

Divisors: 1 2 5 10 313 626 1565 3130 40245901 80491802 201229505 402459010 12596967013 25193934026 62984835065 125969670130