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32145204125 = 531491978761
BaseRepresentation
bin11101111100000000…
…001110001110011101
310001222020212120012202
4131330000032032131
51011313133013000
622433423141245
72215405504166
oct357400161635
9101866776182
1032145204125
11126a6147701
126291444825
13305394c458
1417ad30076d
15c8211edd5
hex77c00e39d

32145204125 has 32 divisors (see below), whose sum is σ = 40596098400. Its totient is φ = 25411008000.

The previous prime is 32145204121. The next prime is 32145204127. The reversal of 32145204125 is 52140254123.

It can be written as a sum of positive squares in 16 ways, for example, as 26625754276 + 5519449849 = 163174^2 + 74293^2 .

It is not a de Polignac number, because 32145204125 - 22 = 32145204121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32145204121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3664745 + ... + 3673505.

It is an arithmetic number, because the mean of its divisors is an integer number (1268628075).

Almost surely, 232145204125 is an apocalyptic number.

It is an amenable number.

32145204125 is a deficient number, since it is larger than the sum of its proper divisors (8450894275).

32145204125 is a wasteful number, since it uses less digits than its factorization.

32145204125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9122 (or 9112 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 32145204125 its reverse (52140254123), we get a palindrome (84285458248).

The spelling of 32145204125 in words is "thirty-two billion, one hundred forty-five million, two hundred four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 149 197 745 985 3725 4925 8761 18625 24625 29353 43805 146765 219025 733825 1095125 1305389 1725917 3669125 6526945 8629585 32634725 43147925 163173625 215739625 257161633 1285808165 6429040825 32145204125