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28572700004 = 221916714591543
BaseRepresentation
bin11010100111000100…
…001100110101100100
32201202021120112212022
4122213010030311210
5432004102400004
621043124042312
72031025641242
oct324704146544
981667515768
1028572700004
11111325a9462
125654b33398
1329047785a4
141550a6b792
15b236902be
hex6a710cd64

28572700004 has 48 divisors (see below), whose sum is σ = 53019724800. Its totient is φ = 13435458336.

The previous prime is 28572699983. The next prime is 28572700021. The reversal of 28572700004 is 40000727582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18516857 + ... + 18518399.

It is an arithmetic number, because the mean of its divisors is an integer number (1104577600).

Almost surely, 228572700004 is an apocalyptic number.

It is an amenable number.

28572700004 is a deficient number, since it is larger than the sum of its proper divisors (24447024796).

28572700004 is a wasteful number, since it uses less digits than its factorization.

28572700004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The spelling of 28572700004 in words is "twenty-eight billion, five hundred seventy-two million, seven hundred thousand, four".

Divisors: 1 2 4 19 38 76 167 334 668 1459 1543 2918 3086 3173 5836 6172 6346 12692 27721 29317 55442 58634 110884 117268 243653 257681 487306 515362 974612 1030724 2251237 4502474 4629407 4895939 9004948 9258814 9791878 18517628 19583756 42773503 85547006 171094012 375956579 751913158 1503826316 7143175001 14286350002 28572700004