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125811468 = 2234894363
BaseRepresentation
bin1110111111110…
…11101100001100
322202201212220000
413133323230030
5224201431333
620252324300
73055244166
oct737735414
9282655800
10125811468
1165021022
1236173690
13200b0173
14129cd936
15b0a2713
hex77fbb0c

125811468 has 60 divisors (see below), whose sum is σ = 332667720. Its totient is φ = 41456448.

The previous prime is 125811467. The next prime is 125811481. The reversal of 125811468 is 864118521.

125811468 is a `hidden beast` number, since 1 + 2 + 581 + 14 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (125811467) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26655 + ... + 31017.

It is an arithmetic number, because the mean of its divisors is an integer number (5544462).

Almost surely, 2125811468 is an apocalyptic number.

125811468 is a gapful number since it is divisible by the number (18) 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 125811468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166333860).

125811468 is an abundant number, since it is smaller than the sum of its proper divisors (206856252).

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

125811468 is a wasteful number, since it uses less digits than its factorization.

125811468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468 (or 4457 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 125811468 is about 11216.5711338180. The cubic root of 125811468 is about 501.0796244774.

Adding to 125811468 its reverse (864118521), we get a palindrome (989929989).

The spelling of 125811468 in words is "one hundred twenty-five million, eight hundred eleven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 89 108 162 178 267 324 356 534 801 1068 1602 2403 3204 4363 4806 7209 8726 9612 13089 14418 17452 26178 28836 39267 52356 78534 117801 157068 235602 353403 388307 471204 706806 776614 1164921 1413612 1553228 2329842 3494763 4659684 6989526 10484289 13979052 20968578 31452867 41937156 62905734 125811468