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10028562825 = 352599223229
BaseRepresentation
bin10010101011011111…
…11011100110001001
3221212220111202221210
421111233323212021
5131014303002300
64335042523333
7503342243331
oct112557734611
927786452853
1010028562825
114286953756
121b3a666549
13c3a8ab258
146b1c7a0c1
153da651050
hex255bfb989

10028562825 has 24 divisors (see below), whose sum is σ = 16608312000. Its totient is φ = 5339613760.

The previous prime is 10028562823. The next prime is 10028562847. The reversal of 10028562825 is 52826582001.

It is not a de Polignac number, because 10028562825 - 21 = 10028562823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10028562821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66690 + ... + 156539.

It is an arithmetic number, because the mean of its divisors is an integer number (692013000).

Almost surely, 210028562825 is an apocalyptic number.

10028562825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10028562825 is a deficient number, since it is larger than the sum of its proper divisors (6579749175).

10028562825 is a wasteful number, since it uses less digits than its factorization.

10028562825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223841 (or 223836 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 10028562825 in words is "ten billion, twenty-eight million, five hundred sixty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 599 1797 2995 8985 14975 44925 223229 669687 1116145 3348435 5580725 16742175 133714171 401142513 668570855 2005712565 3342854275 10028562825