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28934523048 = 2331205605127
BaseRepresentation
bin11010111100101000…
…011100100010101000
32202200111102001202210
4122330220130202220
5433224214214143
621143051125120
72043011250024
oct327450344250
982614361683
1028934523048
11112a8869472
1257361437a0
132961711072
141586b35384
15b45312033
hex6bca1c8a8

28934523048 has 16 divisors (see below), whose sum is σ = 72336307680. Its totient is φ = 9644841008.

The previous prime is 28934523019. The next prime is 28934523049. The reversal of 28934523048 is 84032543982.

It is a junction number, because it is equal to n+sod(n) for n = 28934522988 and 28934523006.

It is not an unprimeable number, because it can be changed into a prime (28934523049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602802540 + ... + 602802587.

It is an arithmetic number, because the mean of its divisors is an integer number (4521019230).

Almost surely, 228934523048 is an apocalyptic number.

It is an amenable number.

28934523048 is an abundant number, since it is smaller than the sum of its proper divisors (43401784632).

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

28934523048 is a wasteful number, since it uses less digits than its factorization.

28934523048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205605136 (or 1205605132 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 28934523048 in words is "twenty-eight billion, nine hundred thirty-four million, five hundred twenty-three thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 24 1205605127 2411210254 3616815381 4822420508 7233630762 9644841016 14467261524 28934523048