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28057134176 = 2519913733209
BaseRepresentation
bin11010001000010101…
…011110010001100000
32200102100110002111122
4122020111132101200
5424430111243201
620520025431412
72012165464001
oct321025362140
980370402448
1028057134176
11109985801a5
12553033b568
132851a03456
1415023c31a8
15ae329ee1b
hex68855e460

28057134176 has 48 divisors (see below), whose sum is σ = 55572804000. Its totient is φ = 13943559168.

The previous prime is 28057134137. The next prime is 28057134191. The reversal of 28057134176 is 67143175082.

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, 8741660 + ... + 8744868.

It is an arithmetic number, because the mean of its divisors is an integer number (1157766750).

Almost surely, 228057134176 is an apocalyptic number.

It is an amenable number.

28057134176 is a deficient number, since it is larger than the sum of its proper divisors (27515669824).

28057134176 is a wasteful number, since it uses less digits than its factorization.

28057134176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 28057134176 in words is "twenty-eight billion, fifty-seven million, one hundred thirty-four thousand, one hundred seventy-six".

Divisors: 1 2 4 8 16 32 199 398 796 1373 1592 2746 3184 3209 5492 6368 6418 10984 12836 21968 25672 43936 51344 102688 273227 546454 638591 1092908 1277182 2185816 2554364 4371632 4405957 5108728 8743264 8811914 10217456 17623828 20434912 35247656 70495312 140990624 876785443 1753570886 3507141772 7014283544 14028567088 28057134176