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131402232100 = 22523074280203
BaseRepresentation
bin111101001100000101…
…1101111000100100100
3110120011122111000110001
41322120023233010210
54123102432411400
6140210525511044
712331161354406
oct1723013570444
9416148430401
10131402232100
1150800152937
1221572412484
13c511555279
1465077dcb76
153640ee9a6a
hex1e982ef124

131402232100 has 36 divisors (see below), whose sum is σ = 286071714544. Its totient is φ = 52389672480.

The previous prime is 131402232097. The next prime is 131402232113. The reversal of 131402232100 is 1232204131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2109402 + ... + 2170801.

Almost surely, 2131402232100 is an apocalyptic number.

131402232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131402232100 is an abundant number, since it is smaller than the sum of its proper divisors (154669482444).

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

131402232100 is a wasteful number, since it uses less digits than its factorization.

131402232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280524 (or 4280517 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131402232100 its reverse (1232204131), we get a palindrome (132634436231).

The spelling of 131402232100 in words is "one hundred thirty-one billion, four hundred two million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 307 614 1228 1535 3070 6140 7675 15350 30700 4280203 8560406 17120812 21401015 42802030 85604060 107005075 214010150 428020300 1314022321 2628044642 5256089284 6570111605 13140223210 26280446420 32850558025 65701116050 131402232100