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88286068081 = 131881764971
BaseRepresentation
bin101001000111001000…
…0100111110101110001
322102212210210221112101
41102032100213311301
52421302213134311
6104320312500401
76243545124331
oct1221620476561
9272783727471
1088286068081
1134495202732
121513a9aa701
13842ca08593
1443b742b0c1
15246ab74ec1
hex148e427d71

88286068081 has 8 divisors (see below), whose sum is σ = 89061100128. Its totient is φ = 87512568000.

The previous prime is 88286068063. The next prime is 88286068109. The reversal of 88286068081 is 18086068288.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88286068081 - 217 = 88285937009 is a prime.

It is a super-2 number, since 2×882860680812 (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 (88286068001) 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, 267075 + ... + 497896.

It is an arithmetic number, because the mean of its divisors is an integer number (11132637516).

Almost surely, 288286068081 is an apocalyptic number.

It is an amenable number.

88286068081 is a deficient number, since it is larger than the sum of its proper divisors (775032047).

88286068081 is a wasteful number, since it uses less digits than its factorization.

88286068081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765983.

The product of its (nonzero) digits is 2359296, while the sum is 55.

The spelling of 88286068081 in words is "eighty-eight billion, two hundred eighty-six million, sixty-eight thousand, eighty-one".

Divisors: 1 131 881 115411 764971 100211201 673939451 88286068081