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88989583481 = 118774970163
BaseRepresentation
bin101001011100000110…
…0010100100001111001
322111200211121020020022
41102320030110201321
52424222313132411
6104514203340225
76300146656541
oct1227014244171
9274624536208
1088989583481
1134816333217
12152b6521675
1385126a8a96
144442a3c321
1524ac7ddedb
hex14b8314879

88989583481 has 4 divisors (see below), whose sum is σ = 89064554832. Its totient is φ = 88914612132.

The previous prime is 88989583451. The next prime is 88989583559. The reversal of 88989583481 is 18438598988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88989583481 is a prime.

It is a super-2 number, since 2×889895834812 (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 (88989583421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37483895 + ... + 37486268.

It is an arithmetic number, because the mean of its divisors is an integer number (22266138708).

Almost surely, 288989583481 is an apocalyptic number.

It is an amenable number.

88989583481 is a deficient number, since it is larger than the sum of its proper divisors (74971351).

88989583481 is a wasteful number, since it uses less digits than its factorization.

88989583481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74971350.

The product of its digits is 159252480, while the sum is 71.

The spelling of 88989583481 in words is "eighty-eight billion, nine hundred eighty-nine million, five hundred eighty-three thousand, four hundred eighty-one".

Divisors: 1 1187 74970163 88989583481