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2568528901 = 311071495197
BaseRepresentation
bin1001100100011000…
…1010010000000101
320122000010210021001
42121012022100011
520230020411101
61102512253301
7120436064311
oct23106122005
96560123231
102568528901
1110a895a864
125b8241231
1331c1a44b3
141a51acb41
15100765901
hex9918a405

2568528901 has 16 divisors (see below), whose sum is σ = 2694643200. Its totient is φ = 2445445440.

The previous prime is 2568528883. The next prime is 2568528913. The reversal of 2568528901 is 1098258652.

It is a cyclic number.

It is not a de Polignac number, because 2568528901 - 27 = 2568528773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568528301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491635 + ... + 496831.

It is an arithmetic number, because the mean of its divisors is an integer number (168415200).

Almost surely, 22568528901 is an apocalyptic number.

It is an amenable number.

2568528901 is a deficient number, since it is larger than the sum of its proper divisors (126114299).

2568528901 is a wasteful number, since it uses less digits than its factorization.

2568528901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 2568528901 is about 50680.6560829672. The cubic root of 2568528901 is about 1369.4982624669.

The spelling of 2568528901 in words is "two billion, five hundred sixty-eight million, five hundred twenty-eight thousand, nine hundred one".

Divisors: 1 31 107 149 3317 4619 5197 15943 161107 494233 556079 774353 17238449 24004943 82855771 2568528901