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89864426891052 = 22331175643456979
BaseRepresentation
bin10100011011101100110001…
…001111100010011100101100
3102210011221210102100202121000
4110123230301033202130230
543234314321241003202
6515043051531240300
724633330162203352
oct2433546117423454
9383157712322530
1089864426891052
11266a7320245870
12a0b43b28a9090
133b1b2436155c8
1418296663ad7d2
15a5c8a760691c
hex51bb313e272c

89864426891052 has 48 divisors (see below), whose sum is σ = 254162015452800. Its totient is φ = 27231644512080.

The previous prime is 89864426891051. The next prime is 89864426891053. The reversal of 89864426891052 is 25019862446898.

89864426891052 is a `hidden beast` number, since 8 + 9 + 8 + 64 + 426 + 8 + 91 + 0 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (89864426891051) and next prime (89864426891053).

It is a super-3 number, since 3×898644268910523 (a number of 43 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89864426891051) 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, 37821727302 + ... + 37821729677.

It is an arithmetic number, because the mean of its divisors is an integer number (5295041988600).

Almost surely, 289864426891052 is an apocalyptic number.

It is an amenable number.

89864426891052 is an abundant number, since it is smaller than the sum of its proper divisors (164297588561748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89864426891052 is a wasteful number, since it uses less digits than its factorization.

89864426891052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75643457003 (or 75643456995 counting only the distinct ones).

The product of its (nonzero) digits is 477757440, while the sum is 72.

The spelling of 89864426891052 in words is "eighty-nine trillion, eight hundred sixty-four billion, four hundred twenty-six million, eight hundred ninety-one thousand, fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 75643456979 151286913958 226930370937 302573827916 453860741874 680791112811 832078026769 907721483748 1361582225622 1664156053538 2042373338433 2496234080307 2723164451244 3328312107076 4084746676866 4992468160614 7488702240921 8169493353732 9984936321228 14977404481842 22466106722763 29954808963684 44932213445526 89864426891052