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125425025145 = 3257398174683
BaseRepresentation
bin111010011001111101…
…0100000000001111001
3102222202002022102221200
41310303322200001321
54023332301301040
6133341445324413
712030102060150
oct1646372400171
9388662272850
10125425025145
114921317a882
1220384706709
13ba9b10a014
1460dba44597
1533e13b5630
hex1d33ea0079

125425025145 has 24 divisors (see below), whose sum is σ = 248461002816. Its totient is φ = 57337154208.

The previous prime is 125425025137. The next prime is 125425025153. The reversal of 125425025145 is 541520524521.

125425025145 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 2 + 502 + 5 + 145 = 666.

It is an interprime number because it is at equal distance from previous prime (125425025137) and next prime (125425025153).

It is not a de Polignac number, because 125425025145 - 23 = 125425025137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199087027 + ... + 199087656.

It is an arithmetic number, because the mean of its divisors is an integer number (10352541784).

Almost surely, 2125425025145 is an apocalyptic number.

125425025145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125425025145 is a deficient number, since it is larger than the sum of its proper divisors (123035977671).

125425025145 is a wasteful number, since it uses less digits than its factorization.

125425025145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398174701 (or 398174698 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 125425025145 its reverse (541520524521), we get a palindrome (666945549666).

The spelling of 125425025145 in words is "one hundred twenty-five billion, four hundred twenty-five million, twenty-five thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 398174683 1194524049 1990873415 2787222781 3583572147 5972620245 8361668343 13936113905 17917860735 25085005029 41808341715 125425025145