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5123240125 = 53122933349
BaseRepresentation
bin1001100010101111…
…00111000010111101
3111020001021120020021
410301113213002331
540443022141000
62204212452141
7240646552063
oct46127470275
914201246207
105123240125
112199a32153
12bab91a051
1363854b543
143685c2033
151eeb9c11a
hex1315e70bd

5123240125 has 16 divisors (see below), whose sum is σ = 6399198000. Its totient is φ = 4095134400.

The previous prime is 5123240119. The next prime is 5123240131. The reversal of 5123240125 is 5210423215.

It is an interprime number because it is at equal distance from previous prime (5123240119) and next prime (5123240131).

It can be written as a sum of positive squares in 8 ways, for example, as 8415801 + 5114824324 = 2901^2 + 71518^2 .

It is not a de Polignac number, because 5123240125 - 27 = 5123239997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 5123240125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136951 + ... + 170299.

It is an arithmetic number, because the mean of its divisors is an integer number (399949875).

Almost surely, 25123240125 is an apocalyptic number.

It is an amenable number.

5123240125 is a deficient number, since it is larger than the sum of its proper divisors (1275957875).

5123240125 is a wasteful number, since it uses less digits than its factorization.

5123240125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593 (or 34583 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5123240125 is about 71576.8127608376. The cubic root of 5123240125 is about 1723.9112502381.

The spelling of 5123240125 in words is "five billion, one hundred twenty-three million, two hundred forty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1229 6145 30725 33349 153625 166745 833725 4168625 40985921 204929605 1024648025 5123240125