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89028664876 = 22192514667051
BaseRepresentation
bin101001011101010000…
…1011001111000101100
322111210120010202211101
41102322201121320230
52424312314234001
6104522121132444
76301133110504
oct1227241317054
9274716122741
1089028664876
11348363a6698
121530762a124
13851a810478
144447cd2a04
1524b0e5da01
hex14ba859e2c

89028664876 has 24 divisors (see below), whose sum is σ = 164653594560. Its totient is φ = 42003450000.

The previous prime is 89028664873. The next prime is 89028664919. The reversal of 89028664876 is 67846682098.

It is a super-2 number, since 2×890286648762 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89028664873) 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, 2314450 + ... + 2352601.

It is an arithmetic number, because the mean of its divisors is an integer number (6860566440).

Almost surely, 289028664876 is an apocalyptic number.

It is an amenable number.

89028664876 is a deficient number, since it is larger than the sum of its proper divisors (75624929684).

89028664876 is a wasteful number, since it uses less digits than its factorization.

89028664876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667325 (or 4667323 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 89028664876 in words is "eighty-nine billion, twenty-eight million, six hundred sixty-four thousand, eight hundred seventy-six".

Divisors: 1 2 4 19 38 76 251 502 1004 4769 9538 19076 4667051 9334102 18668204 88673969 177347938 354695876 1171429801 2342859602 4685719204 22257166219 44514332438 89028664876