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131908008960 = 21032571383379
BaseRepresentation
bin111101011011001010…
…1000111110000000000
3110121110220012010212100
41322312111013300000
54130121422241320
6140333034230400
712346542401460
oct1726625076000
9417426163770
10131908008960
1150a3a6a5542
1221693885400
13c592280910
146554a59ba0
153670604790
hex1eb6547c00

131908008960 has 1056 divisors, whose sum is σ = 570812336640. Its totient is φ = 27423277056.

The previous prime is 131908008949. The next prime is 131908008961. The reversal of 131908008960 is 69800809131.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131908008961) 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 95 ways as a sum of consecutive naturals, for example, 348042051 + ... + 348042429.

Almost surely, 2131908008960 is an apocalyptic number.

131908008960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131908008960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285406168320).

131908008960 is an abundant number, since it is smaller than the sum of its proper divisors (438904327680).

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

131908008960 is a wasteful number, since it uses less digits than its factorization.

131908008960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 131908008960 in words is "one hundred thirty-one billion, nine hundred eight million, eight thousand, nine hundred sixty".