Search a number
-
+
125613379584 = 212357112149
BaseRepresentation
bin111010011111100100…
…1000001000000000000
3110000020012201211200000
41310333021001000000
54024224011121314
6133412254400000
712034550052360
oct1647711010000
9400205654600
10125613379584
11492aa529300
1220417800000
13bacb147754
146118a749a0
153402bbe209
hex1d3f241000

125613379584 has 936 divisors, whose sum is σ = 475851230400. Its totient is φ = 32407879680.

The previous prime is 125613379553. The next prime is 125613379603. The reversal of 125613379584 is 485973316521.

It is a happy number.

125613379584 is a `hidden beast` number, since 1 + 2 + 56 + 1 + 3 + 3 + 7 + 9 + 584 = 666.

It is a super-2 number, since 2×1256133795842 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 125613379584.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 843042742 + ... + 843042890.

Almost surely, 2125613379584 is an apocalyptic number.

125613379584 is a gapful number since it is divisible by the number (14) 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 125613379584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237925615200).

125613379584 is an abundant number, since it is smaller than the sum of its proper divisors (350237850816).

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

125613379584 is an equidigital number, since it uses as much as digits as its factorization.

125613379584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 172 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 125613379584 in words is "one hundred twenty-five billion, six hundred thirteen million, three hundred seventy-nine thousand, five hundred eighty-four".