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28610369316 = 223493972
BaseRepresentation
bin11010101001010011…
…111001011100100100
32201211220110100110000
4122221103321130210
5432043223304231
621050551301300
72031664061304
oct325123713444
981756410400
1028610369316
1111151897a21
12566567a830
13290c507319
141555a75604
15b26b316e6
hex6a94f9724

28610369316 has 45 divisors (see below), whose sum is σ = 74801116929. Its totient is φ = 9535774896.

The previous prime is 28610369273. The next prime is 28610369321. The reversal of 28610369316 is 61396301682.

The square root of 28610369316 is 169146.

It is a perfect power (a square), and thus also a powerful number.

28610369316 is a `hidden beast` number, since 28 + 610 + 3 + 6 + 9 + 3 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 152028900 + 28458340416 = 12330^2 + 168696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3039930 + ... + 3049326.

Almost surely, 228610369316 is an apocalyptic number.

28610369316 is the 169146-th square number.

It is an amenable number.

28610369316 is an abundant number, since it is smaller than the sum of its proper divisors (46190747613).

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

28610369316 is an frugal number, since it uses more digits than its factorization.

28610369316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18810 (or 9402 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 28610369316 in words is "twenty-eight billion, six hundred ten million, three hundred sixty-nine thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 9397 18794 28191 37588 56382 84573 112764 169146 253719 338292 507438 761157 1014876 1522314 3044628 88303609 176607218 264910827 353214436 529821654 794732481 1059643308 1589464962 2384197443 3178929924 4768394886 7152592329 9536789772 14305184658 28610369316