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125515141500 = 223537273149157
BaseRepresentation
bin111010011100101001…
…0010001000101111100
3102222222100212211100110
41310321102101011330
54024023334012000
6133354425030020
712032245046100
oct1647122210574
9388870784313
10125515141500
114925a030601
12203aa925310
13bab399cbc8
1461099c1900
1533e9266850
hex1d3949117c

125515141500 has 576 divisors, whose sum is σ = 436654108800. Its totient is φ = 27927244800.

The previous prime is 125515141471. The next prime is 125515141511. The reversal of 125515141500 is 5141515521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 799459422 + ... + 799459578.

It is an arithmetic number, because the mean of its divisors is an integer number (758080050).

Almost surely, 2125515141500 is an apocalyptic number.

125515141500 is a gapful number since it is divisible by the number (10) 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 125515141500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218327054400).

125515141500 is an abundant number, since it is smaller than the sum of its proper divisors (311138967300).

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

125515141500 is a wasteful number, since it uses less digits than its factorization.

125515141500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 125515141500 in words is "one hundred twenty-five billion, five hundred fifteen million, one hundred forty-one thousand, five hundred".