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88080808081 = 752342535657
BaseRepresentation
bin101001000001000000…
…1100111100010010001
322102100111120122202011
41102002001213202101
52420342141324311
6104244101222521
76235503341560
oct1220201474221
9272314518664
1088080808081
113439a357872
12150a2101a41
1383c932c066
144398079bd7
152457b2c321
hex1482067891

88080808081 has 16 divisors (see below), whose sum is σ = 100897801344. Its totient is φ = 75322445184.

The previous prime is 88080808061. The next prime is 88080808117. The reversal of 88080808081 is 18080808088.

It is not a de Polignac number, because 88080808081 - 29 = 88080807569 is a prime.

It is a super-2 number, since 2×880808080812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88080808061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15567405 + ... + 15573061.

It is an arithmetic number, because the mean of its divisors is an integer number (6306112584).

Almost surely, 288080808081 is an apocalyptic number.

It is an amenable number.

88080808081 is a deficient number, since it is larger than the sum of its proper divisors (12816993263).

88080808081 is a wasteful number, since it uses less digits than its factorization.

88080808081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440.

The product of its (nonzero) digits is 262144, while the sum is 49.

The spelling of 88080808081 in words is "eighty-eight billion, eighty million, eight hundred eight thousand, eighty-one".

Divisors: 1 7 523 3661 4253 5657 29771 39599 2224319 2958611 15570233 20710277 24059221 168414547 12582972583 88080808081