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89990747112 = 23374431209163
BaseRepresentation
bin101001111001111011…
…1011101001111101000
322121021121110121112210
41103303313131033220
52433300112401422
6105201410005120
76334024505130
oct1236367351750
9277247417483
1089990747112
113518a481282
12155358767a0
138641c327b6
1444d99adac0
15251a65010c
hex14f3ddd3e8

89990747112 has 64 divisors (see below), whose sum is σ = 257697031680. Its totient is φ = 25653580992.

The previous prime is 89990747107. The next prime is 89990747129. The reversal of 89990747112 is 21174709998.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530158 + ... + 679005.

It is an arithmetic number, because the mean of its divisors is an integer number (4026516120).

Almost surely, 289990747112 is an apocalyptic number.

It is an amenable number.

89990747112 is an abundant number, since it is smaller than the sum of its proper divisors (167706284568).

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

89990747112 is a wasteful number, since it uses less digits than its factorization.

89990747112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209622 (or 1209618 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 57.

The spelling of 89990747112 in words is "eighty-nine billion, nine hundred ninety million, seven hundred forty-seven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 443 886 1329 1772 2658 3101 3544 5316 6202 9303 10632 12404 18606 24808 37212 74424 1209163 2418326 3627489 4836652 7254978 8464141 9673304 14509956 16928282 25392423 29019912 33856564 50784846 67713128 101569692 203139384 535659209 1071318418 1606977627 2142636836 3213955254 3749614463 4285273672 6427910508 7499228926 11248843389 12855821016 14998457852 22497686778 29996915704 44995373556 89990747112