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130857124854 = 23187931160513
BaseRepresentation
bin111100111011110110…
…0010100001111110110
3110111202122202200212210
41321313230110033312
54120443410443404
6140040454154250
712311522131431
oct1716754241766
9414678680783
10130857124854
1150550487785
122143b952986
13c455638ac1
146495264818
15360d221689
hex1e77b143f6

130857124854 has 16 divisors (see below), whose sum is σ = 261728401392. Its totient is φ = 43616683008.

The previous prime is 130857124847. The next prime is 130857124873. The reversal of 130857124854 is 458421758031.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 467499 + ... + 693014.

It is an arithmetic number, because the mean of its divisors is an integer number (16358025087).

Almost surely, 2130857124854 is an apocalyptic number.

130857124854 is an abundant number, since it is smaller than the sum of its proper divisors (130871276538).

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

130857124854 is a wasteful number, since it uses less digits than its factorization.

130857124854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179311.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 130857124854 in words is "one hundred thirty billion, eight hundred fifty-seven million, one hundred twenty-four thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 18793 37586 56379 112758 1160513 2321026 3481539 6963078 21809520809 43619041618 65428562427 130857124854