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89684880490 = 2523389934263
BaseRepresentation
bin101001110000110100…
…0101010110001101010
322120111021220222102101
41103201220222301222
52432133312133430
6105111202124014
76323321622532
oct1234150526152
9276437828371
1089684880490
1135042860147
121546b35060a
1385c375c62a
1444ab1104c2
1524ed882dca
hex14e1a2ac6a

89684880490 has 16 divisors (see below), whose sum is σ = 168451602048. Its totient is φ = 34314215056.

The previous prime is 89684880479. The next prime is 89684880541. The reversal of 89684880490 is 9408848698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194966902 + ... + 194967361.

It is an arithmetic number, because the mean of its divisors is an integer number (10528225128).

Almost surely, 289684880490 is an apocalyptic number.

89684880490 is a deficient number, since it is larger than the sum of its proper divisors (78766721558).

89684880490 is a wasteful number, since it uses less digits than its factorization.

89684880490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389934293.

The product of its (nonzero) digits is 31850496, while the sum is 64.

The spelling of 89684880490 in words is "eighty-nine billion, six hundred eighty-four million, eight hundred eighty thousand, four hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 389934263 779868526 1949671315 3899342630 8968488049 17936976098 44842440245 89684880490