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130915243008 = 2103611107149
BaseRepresentation
bin111100111101100101…
…0000001010000000000
3110111220201010102000000
41321323022001100000
54121103300234013
6140050332000000
712313126130214
oct1717312012000
9414821112000
10130915243008
1150580272810
1221457300000
13c4646a7344
14649cc72944
1536133a1973
hex1e7b281400

130915243008 has 616 divisors, whose sum is σ = 434944922400. Its totient is φ = 39036764160.

The previous prime is 130915243003. The next prime is 130915243013. The reversal of 130915243008 is 800342519031.

130915243008 is a `hidden beast` number, since 13 + 0 + 91 + 524 + 30 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (130915243003) and next prime (130915243013).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130915243003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 878625718 + ... + 878625866.

Almost surely, 2130915243008 is an apocalyptic number.

130915243008 is a gapful number since it is divisible by the number (18) 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 130915243008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217472461200).

130915243008 is an abundant number, since it is smaller than the sum of its proper divisors (304029679392).

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

130915243008 is a wasteful number, since it uses less digits than its factorization.

130915243008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 130915243008 in words is "one hundred thirty billion, nine hundred fifteen million, two hundred forty-three thousand, eight".