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28413802140 = 2235473563369
BaseRepresentation
bin11010011101100110…
…000011011010011100
32201100012120200222020
4122131212003122130
5431142413132030
621015250220140
72024056222203
oct323546033234
981305520866
1028413802140
111106093a109
12560b884650
1328aa882699
14153790823a
15b14754510
hex69d98369c

28413802140 has 24 divisors (see below), whose sum is σ = 79558646160. Its totient is φ = 7577013888.

The previous prime is 28413802139. The next prime is 28413802199. The reversal of 28413802140 is 4120831482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236781625 + ... + 236781744.

It is an arithmetic number, because the mean of its divisors is an integer number (3314943590).

Almost surely, 228413802140 is an apocalyptic number.

28413802140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28413802140 is an abundant number, since it is smaller than the sum of its proper divisors (51144844020).

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

28413802140 is a wasteful number, since it uses less digits than its factorization.

28413802140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473563381 (or 473563379 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 28413802140 in words is "twenty-eight billion, four hundred thirteen million, eight hundred two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 473563369 947126738 1420690107 1894253476 2367816845 2841380214 4735633690 5682760428 7103450535 9471267380 14206901070 28413802140