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23205144992 = 254015993019
BaseRepresentation
bin10101100111001000…
…100110100110100000
32012220012120111121112
4111213020212212200
5340011004114432
614354342442452
71451021322641
oct254710464640
965805514545
1023205144992
119928776987
1245b7433428
13225a728233
1411a1c4d6c8
1590c3337b2
hex5672269a0

23205144992 has 48 divisors (see below), whose sum is σ = 45890712000. Its totient is φ = 11550489600.

The previous prime is 23205144929. The next prime is 23205145009. The reversal of 23205144992 is 29944150232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7684859 + ... + 7687877.

It is an arithmetic number, because the mean of its divisors is an integer number (956056500).

Almost surely, 223205144992 is an apocalyptic number.

It is an amenable number.

23205144992 is a deficient number, since it is larger than the sum of its proper divisors (22685567008).

23205144992 is a wasteful number, since it uses less digits than its factorization.

23205144992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 23205144992 in words is "twenty-three billion, two hundred five million, one hundred forty-four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 401 599 802 1198 1604 2396 3019 3208 4792 6038 6416 9584 12076 12832 19168 24152 48304 96608 240199 480398 960796 1210619 1808381 1921592 2421238 3616762 3843184 4842476 7233524 7686368 9684952 14467048 19369904 28934096 38739808 57868192 725160781 1450321562 2900643124 5801286248 11602572496 23205144992