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99230279904 = 2534743193659
BaseRepresentation
bin101110001101010010…
…1011110100011100000
3100111010112021111210000
41130122211132203200
53111210422424104
6113330305140000
710112006314410
oct1343245364340
9314115244700
1099230279904
11390a09a6a98
121729402a600
1394851cc072
144b34b38640
1528ab894639
hex171a95e8e0

99230279904 has 480 divisors, whose sum is σ = 343569219840. Its totient is φ = 27506884608.

The previous prime is 99230279899. The next prime is 99230279923. The reversal of 99230279904 is 40997203299.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 150576727 + ... + 150577385.

It is an arithmetic number, because the mean of its divisors is an integer number (715769208).

Almost surely, 299230279904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99230279904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171784609920).

99230279904 is an abundant number, since it is smaller than the sum of its proper divisors (244338939936).

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

99230279904 is a wasteful number, since it uses less digits than its factorization.

99230279904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 99230279904 in words is "ninety-nine billion, two hundred thirty million, two hundred seventy-nine thousand, nine hundred four".