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2137375025 = 52160153401
BaseRepresentation
bin111111101100101…
…1100000100110001
312111221211220022222
41333121130010301
513334132000100
6552031210425
7103652250032
oct17731340461
95457756288
102137375025
119a7546545
124b7976a15
13280a75966
14163c18a89
15c799b485
hex7f65c131

2137375025 has 12 divisors (see below), whose sum is σ = 2652050124. Its totient is φ = 1708800000.

The previous prime is 2137375021. The next prime is 2137375049. The reversal of 2137375025 is 5205737312.

It can be written as a sum of positive squares in 6 ways, for example, as 5798464 + 2131576561 = 2408^2 + 46169^2 .

It is not a de Polignac number, because 2137375025 - 22 = 2137375021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137375021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13325 + ... + 66725.

It is an arithmetic number, because the mean of its divisors is an integer number (221004177).

Almost surely, 22137375025 is an apocalyptic number.

2137375025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2137375025 is a deficient number, since it is larger than the sum of its proper divisors (514675099).

2137375025 is a wasteful number, since it uses less digits than its factorization.

2137375025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55012 (or 55007 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 2137375025 is about 46231.7534277038. The cubic root of 2137375025 is about 1288.1316271177.

The spelling of 2137375025 in words is "two billion, one hundred thirty-seven million, three hundred seventy-five thousand, twenty-five".

Divisors: 1 5 25 1601 8005 40025 53401 267005 1335025 85495001 427475005 2137375025