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89802268992 = 2632155906717
BaseRepresentation
bin101001110100010100…
…0011110000101000000
322120210110210221011200
41103220220132011000
52432403340101432
6105130554141200
76326245456212
oct1235050360500
9276713727150
1089802268992
11350a3048937
12154a2721800
138611b80997
1444bc94a5b2
152508d1ea7c
hex14e8a1e140

89802268992 has 42 divisors (see below), whose sum is σ = 257401991418. Its totient is φ = 29934089472.

The previous prime is 89802268981. The next prime is 89802268993. The reversal of 89802268992 is 29986220898.

It can be written as a sum of positive squares in only one way, i.e., 54632517696 + 35169751296 = 233736^2 + 187536^2 .

It is a super-2 number, since 2×898022689922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89802268993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77952783 + ... + 77953934.

Almost surely, 289802268992 is an apocalyptic number.

It is an amenable number.

89802268992 is an abundant number, since it is smaller than the sum of its proper divisors (167599722426).

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

89802268992 is a wasteful number, since it uses less digits than its factorization.

89802268992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155906735 (or 155906722 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 89802268992 in words is "eighty-nine billion, eight hundred two million, two hundred sixty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 155906717 311813434 467720151 623626868 935440302 1247253736 1403160453 1870880604 2494507472 2806320906 3741761208 4989014944 5612641812 7483522416 9978029888 11225283624 14967044832 22450567248 29934089664 44901134496 89802268992