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28514038056 = 2337224246631
BaseRepresentation
bin11010100011100100…
…011011000100101000
32201121012012012210120
4122203210123010220
5431344043204211
621033230443240
72026414216200
oct324344330450
981535165716
1028514038056
1111102481909
125639363520
1328c557968a
141546d5b400
15b1d453d06
hex6a391b128

28514038056 has 48 divisors (see below), whose sum is σ = 82923481440. Its totient is φ = 8146867680.

The previous prime is 28514038013. The next prime is 28514038117. The reversal of 28514038056 is 65083041582.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 28514037999 and 28514038017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12122140 + ... + 12124491.

It is an arithmetic number, because the mean of its divisors is an integer number (1727572530).

Almost surely, 228514038056 is an apocalyptic number.

It is an amenable number.

28514038056 is an abundant number, since it is smaller than the sum of its proper divisors (54409443384).

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

28514038056 is a wasteful number, since it uses less digits than its factorization.

28514038056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24246654 (or 24246643 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 28514038056 in words is "twenty-eight billion, five hundred fourteen million, thirty-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 24246631 48493262 72739893 96986524 145479786 169726417 193973048 290959572 339452834 509179251 581919144 678905668 1018358502 1188084919 1357811336 2036717004 2376169838 3564254757 4073434008 4752339676 7128509514 9504679352 14257019028 28514038056