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130881502752 = 253711213123817
BaseRepresentation
bin111100111100100100…
…1010011111000100000
3110111211100122020001220
41321321021103320200
54121021131042002
6140043124455040
712312236263140
oct1717111237040
9414740566056
10130881502752
1150563218200
1221447b4a480
13c45a6c2ab0
1464985ac920
1536104397bc
hex1e79253e20

130881502752 has 288 divisors, whose sum is σ = 464787017856. Its totient is φ = 31379927040.

The previous prime is 130881502673. The next prime is 130881502777. The reversal of 130881502752 is 257205188031.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 995148 + ... + 1118964.

It is an arithmetic number, because the mean of its divisors is an integer number (1613843812).

Almost surely, 2130881502752 is an apocalyptic number.

130881502752 is a gapful number since it is divisible by the number (12) 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 130881502752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232393508928).

130881502752 is an abundant number, since it is smaller than the sum of its proper divisors (333905515104).

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

130881502752 is a wasteful number, since it uses less digits than its factorization.

130881502752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123872 (or 123853 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 130881502752 in words is "one hundred thirty billion, eight hundred eighty-one million, five hundred two thousand, seven hundred fifty-two".