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89091896188 = 22122918122843
BaseRepresentation
bin101001011111001001…
…0100111001101111100
322111221222010020212211
41102332102213031330
52424430011134223
6104532300310204
76302531423401
oct1227622471574
9274858106784
1089091896188
1134869064279
1215324842364
13852a94c149
1444524722a8
1524b679dd0d
hex14be4a737c

89091896188 has 12 divisors (see below), whose sum is σ = 156037686840. Its totient is φ = 44509699952.

The previous prime is 89091896167. The next prime is 89091896189. The reversal of 89091896188 is 88169819098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89091896189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9056506 + ... + 9066337.

It is an arithmetic number, because the mean of its divisors is an integer number (13003140570).

Almost surely, 289091896188 is an apocalyptic number.

It is an amenable number.

89091896188 is a deficient number, since it is larger than the sum of its proper divisors (66945790652).

89091896188 is a wasteful number, since it uses less digits than its factorization.

89091896188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124076 (or 18124074 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 67.

The spelling of 89091896188 in words is "eighty-nine billion, ninety-one million, eight hundred ninety-six thousand, one hundred eighty-eight".

Divisors: 1 2 4 1229 2458 4916 18122843 36245686 72491372 22272974047 44545948094 89091896188