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131082840000 = 263354722477
BaseRepresentation
bin111101000010100100…
…1010110011111000000
3110112100101111012212000
41322011021112133000
54121424201340000
6140115120104000
712320232520200
oct1720511263700
9415311435760
10131082840000
1150656933922
12214a3465000
13c490327968
1464b721c400
153622e5a000
hex1e852567c0

131082840000 has 840 divisors, whose sum is σ = 560390680080. Its totient is φ = 29949696000.

The previous prime is 131082839971. The next prime is 131082840023. The reversal of 131082840000 is 48280131.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 52918762 + ... + 52921238.

It is an arithmetic number, because the mean of its divisors is an integer number (667131762).

Almost surely, 2131082840000 is an apocalyptic number.

131082840000 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 131082840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280195340040).

131082840000 is an abundant number, since it is smaller than the sum of its proper divisors (429307840080).

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

131082840000 is an equidigital number, since it uses as much as digits as its factorization.

131082840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 131082840000 in words is "one hundred thirty-one billion, eighty-two million, eight hundred forty thousand".