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28028003352 = 2332514652723
BaseRepresentation
bin11010000110100110…
…010110010000011000
32200100022122002112020
4122012212112100120
5424400132101402
620513105214440
72011363045326
oct320646262030
980308562466
1028028003352
1110983093838
125522631420
132848973c8b
1414dc59cd16
15ae09488bc
hex686996418

28028003352 has 32 divisors (see below), whose sum is σ = 70349186880. Its totient is φ = 9305444000.

The previous prime is 28028003327. The next prime is 28028003369. The reversal of 28028003352 is 25330082082.

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, 2320338 + ... + 2332385.

It is an arithmetic number, because the mean of its divisors is an integer number (2198412090).

Almost surely, 228028003352 is an apocalyptic number.

It is an amenable number.

28028003352 is an abundant number, since it is smaller than the sum of its proper divisors (42321183528).

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

28028003352 is a wasteful number, since it uses less digits than its factorization.

28028003352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652983 (or 4652979 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 28028003352 in words is "twenty-eight billion, twenty-eight million, three thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 251 502 753 1004 1506 2008 3012 6024 4652723 9305446 13958169 18610892 27916338 37221784 55832676 111665352 1167833473 2335666946 3503500419 4671333892 7007000838 9342667784 14014001676 28028003352