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131214734576640 = 21033511133126907
BaseRepresentation
bin11101110101011011001111…
…101001001100110000000000
3122012121000011110102110001000
4131311123033221030300000
5114144310234022423030
61143023114503412000
736431644305224061
oct3565331751146000
9565530143373030
10131214734576640
11388999469a8890
1212872365154000
13582a65b7062a0
142458b81578568
1510282e2b19860
hex7756cfa4cc00

131214734576640 has 2112 divisors, whose sum is σ = 566160991925760. Its totient is φ = 28411438694400.

The previous prime is 131214734576599. The next prime is 131214734576669. The reversal of 131214734576640 is 46675437412131.

131214734576640 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 4 + 7 + 3 + 4 + 576 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2112).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18997352067 + ... + 18997358973.

It is an arithmetic number, because the mean of its divisors is an integer number (268068651480).

Almost surely, 2131214734576640 is an apocalyptic number.

131214734576640 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 131214734576640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283080495962880).

131214734576640 is an abundant number, since it is smaller than the sum of its proper divisors (434946257349120).

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

131214734576640 is a wasteful number, since it uses less digits than its factorization.

131214734576640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 131214734576640 in words is "one hundred thirty-one trillion, two hundred fourteen billion, seven hundred thirty-four million, five hundred seventy-six thousand, six hundred forty".