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88693228621 = 3110397128607
BaseRepresentation
bin101001010011010000…
…1110100010001001101
322110221011221211210101
41102212201310101031
52423120431303441
6104424535411101
76256621001314
oct1224641642115
9273834854711
1088693228621
1134684019448
1215233223a91
13849618618a
14441553727b
1524917a0231
hex14a687444d

88693228621 has 16 divisors (see below), whose sum is σ = 92541616128. Its totient is φ = 84908329200.

The previous prime is 88693228609. The next prime is 88693228649. The reversal of 88693228621 is 12682239688.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 88693228621 - 27 = 88693228493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88693228601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3086100 + ... + 3114706.

It is an arithmetic number, because the mean of its divisors is an integer number (5783851008).

Almost surely, 288693228621 is an apocalyptic number.

It is an amenable number.

88693228621 is a deficient number, since it is larger than the sum of its proper divisors (3848387507).

88693228621 is a wasteful number, since it uses less digits than its factorization.

88693228621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29712.

The product of its digits is 3981312, while the sum is 55.

The spelling of 88693228621 in words is "eighty-eight billion, six hundred ninety-three million, two hundred twenty-eight thousand, six hundred twenty-one".

Divisors: 1 31 103 971 3193 28607 30101 100013 886817 2946521 3100403 27777397 91342151 861099307 2861071891 88693228621