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28552302552 = 2331189679273
BaseRepresentation
bin11010100101110110…
…011000111111011000
32201200212012020211010
4122211312120333120
5431433342140202
621041114533520
72030360365404
oct324566307730
981625166733
1028552302552
1111122037564
12564a1372a0
1329004862a7
14154c07c104
15b219b176c
hex6a5d98fd8

28552302552 has 16 divisors (see below), whose sum is σ = 71380756440. Its totient is φ = 9517434176.

The previous prime is 28552302521. The next prime is 28552302577. The reversal of 28552302552 is 25520325582.

It is a self number, because there is not a number n which added to its sum of digits gives 28552302552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594839613 + ... + 594839660.

Almost surely, 228552302552 is an apocalyptic number.

It is an amenable number.

28552302552 is an abundant number, since it is smaller than the sum of its proper divisors (42828453888).

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

28552302552 is a wasteful number, since it uses less digits than its factorization.

28552302552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189679282 (or 1189679278 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 28552302552 in words is "twenty-eight billion, five hundred fifty-two million, three hundred two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 1189679273 2379358546 3569037819 4758717092 7138075638 9517434184 14276151276 28552302552