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125650695492 = 223272731019661
BaseRepresentation
bin111010100000101011…
…1010111010101000100
3110000022210221200110200
41311001113113111010
54024313034223432
6133420110250500
712035512201200
oct1650127272504
9400283850420
10125650695492
11493195a62a3
12204281b6a30
13bb05ab167a
14611d9c9b00
1534060e0a7c
hex1d415d7544

125650695492 has 216 divisors, whose sum is σ = 378281561112. Its totient is φ = 35054208000.

The previous prime is 125650695473. The next prime is 125650695497. The reversal of 125650695492 is 294596056521.

125650695492 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 506 + 95 + 49 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13515457536 + 112135237956 = 116256^2 + 334866^2 .

It is not an unprimeable number, because it can be changed into a prime (125650695497) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13001142 + ... + 13010802.

Almost surely, 2125650695492 is an apocalyptic number.

125650695492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125650695492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189140780556).

125650695492 is an abundant number, since it is smaller than the sum of its proper divisors (252630865620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125650695492 is a wasteful number, since it uses less digits than its factorization.

125650695492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859 (or 9847 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 125650695492 in words is "one hundred twenty-five billion, six hundred fifty million, six hundred ninety-five thousand, four hundred ninety-two".