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131541004100 = 225211119582731
BaseRepresentation
bin111101010000001110…
…1000110111101000100
3110120112022121100211202
41322200131012331010
54123343444112400
6140232404122032
712334465041452
oct1724035067504
9416468540752
10131541004100
1150871516340
12215b0996318
13c53422268c
14651c0039d2
15364d2ac4d5
hex1ea0746f44

131541004100 has 36 divisors (see below), whose sum is σ = 311393434128. Its totient is φ = 47833092000.

The previous prime is 131541004069. The next prime is 131541004121. The reversal of 131541004100 is 1400145131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 59790266 + ... + 59792465.

Almost surely, 2131541004100 is an apocalyptic number.

131541004100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131541004100 is an abundant number, since it is smaller than the sum of its proper divisors (179852430028).

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

131541004100 is a wasteful number, since it uses less digits than its factorization.

131541004100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119582756 (or 119582749 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 131541004100 its reverse (1400145131), we get a palindrome (132941149231).

The spelling of 131541004100 in words is "one hundred thirty-one billion, five hundred forty-one million, four thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 119582731 239165462 478330924 597913655 1195827310 1315410041 2391654620 2630820082 2989568275 5261640164 5979136550 6577050205 11958273100 13154100410 26308200820 32885251025 65770502050 131541004100