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131290809286000 = 2453713219592839
BaseRepresentation
bin11101110110100010000110…
…000011001011110101110000
3122012212021112020102002120011
4131312202012003023311300
5114202032034134123000
61143122055400424304
736440306434461460
oct3566420603136560
9565767466362504
10131290809286000
1138919135108a11
1212885056478094
135834893546900
14245c71ac89ba0
15102a2966be2ba
hex7768860cbd70

131290809286000 has 1440 divisors, whose sum is σ = 421174993075200. Its totient is φ = 38651145062400.

The previous prime is 131290809285983. The next prime is 131290809286009. The reversal of 131290809286000 is 682908092131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131290809286009) by changing a digit.

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 287 ways as a sum of consecutive naturals, for example, 156484873581 + ... + 156484874419.

It is an arithmetic number, because the mean of its divisors is an integer number (292482634080).

Almost surely, 2131290809286000 is an apocalyptic number.

131290809286000 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 131290809286000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210587496537600).

131290809286000 is an abundant number, since it is smaller than the sum of its proper divisors (289884183789200).

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

131290809286000 is a wasteful number, since it uses less digits than its factorization.

131290809286000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 131290809286000 in words is "one hundred thirty-one trillion, two hundred ninety billion, eight hundred nine million, two hundred eighty-six thousand".