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30863180886 = 2325732996067
BaseRepresentation
bin11100101111100101…
…101100010001010110
32221122220112000221120
4130233211230101112
51001201433242021
622102305024410
72141550465126
oct345745542126
987586460846
1030863180886
11120a850866a
125b94025106
132bab169a15
1416cad3cc86
15c097d12c6
hex72f96c456

30863180886 has 32 divisors (see below), whose sum is σ = 61995542400. Its totient is φ = 10242902016.

The previous prime is 30863180837. The next prime is 30863180939. The reversal of 30863180886 is 68808136803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5084025 + ... + 5090091.

It is an arithmetic number, because the mean of its divisors is an integer number (1937360700).

Almost surely, 230863180886 is an apocalyptic number.

30863180886 is an abundant number, since it is smaller than the sum of its proper divisors (31132361514).

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

30863180886 is a wasteful number, since it uses less digits than its factorization.

30863180886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9628.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 30863180886 in words is "thirty billion, eight hundred sixty-three million, one hundred eighty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 257 514 771 1542 3299 6067 6598 9897 12134 18201 19794 36402 847843 1559219 1695686 2543529 3118438 4677657 5087058 9355314 20015033 40030066 60045099 120090198 5143863481 10287726962 15431590443 30863180886