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80808808088 = 23157391916417
BaseRepresentation
bin100101101000010010…
…1001000111010011000
321201120201000210010002
41023100211020322120
52310444023324323
6101042325112132
75560342351451
oct1132045107230
9251521023102
1080808808088
11312a8513618
12137b2858648
13780a87cb98
143ca8358128
15217e4d5828
hex12d0948e98

80808808088 has 32 divisors (see below), whose sum is σ = 152529787200. Its totient is φ = 40134362112.

The previous prime is 80808808081. The next prime is 80808808103. The reversal of 80808808088 is 88080880808.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80808808081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4914056 + ... + 4930472.

It is an arithmetic number, because the mean of its divisors is an integer number (4766555850).

Almost surely, 280808808088 is an apocalyptic number.

It is an amenable number.

80808808088 is a deficient number, since it is larger than the sum of its proper divisors (71720979112).

80808808088 is a wasteful number, since it uses less digits than its factorization.

80808808088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20499 (or 20495 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 56.

The spelling of 80808808088 in words is "eighty billion, eight hundred eight million, eight hundred eight thousand, eighty-eight".

Divisors: 1 2 4 8 157 314 628 1256 3919 7838 15676 16417 31352 32834 65668 131336 615283 1230566 2461132 2577469 4922264 5154938 10309876 20619752 64338223 128676446 257352892 514705784 10101101011 20202202022 40404404044 80808808088