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99090022970 = 25643138111159
BaseRepresentation
bin101110001001000111…
…0011100001000111010
3100110202202100201102202
41130102032130020322
53110414021213340
6113304335030202
710105354204151
oct1342216341072
9313682321382
1099090022970
1139029809974
121725506b362
139462131ab3
144b20268598
15289e3dbc15
hex171239c23a

99090022970 has 32 divisors (see below), whose sum is σ = 178784807040. Its totient is φ = 39542166720.

The previous prime is 99090022949. The next prime is 99090022979. The reversal of 99090022970 is 7922009099.

It is not an unprimeable number, because it can be changed into a prime (99090022979) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8874251 + ... + 8885409.

It is an arithmetic number, because the mean of its divisors is an integer number (5587025220).

Almost surely, 299090022970 is an apocalyptic number.

99090022970 is a deficient number, since it is larger than the sum of its proper divisors (79694784070).

99090022970 is a wasteful number, since it uses less digits than its factorization.

99090022970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 99090022970 in words is "ninety-nine billion, ninety million, twenty-two thousand, nine hundred seventy".

Divisors: 1 2 5 10 643 1286 1381 2762 3215 6430 6905 11159 13810 22318 55795 111590 887983 1775966 4439915 7175237 8879830 14350474 15410579 30821158 35876185 71752370 77052895 154105790 9909002297 19818004594 49545011485 99090022970