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28692318112796 = 22131322474172309
BaseRepresentation
bin1101000011000011100110…
…11011011100110000011100
310202120221212222112000002002
412201201303123130300130
512230043331414102141
6141005022522021432
76020644250633102
oct641416333346034
9122527788460062
1028692318112796
119162386627358
12327491b347878
13130189b9a1c30
14712a038a3c72
1534b546793e9b
hex1a18736dcc1c

28692318112796 has 24 divisors (see below), whose sum is σ = 54074405982240. Its totient is φ = 13242505050432.

The previous prime is 28692318112753. The next prime is 28692318112807. The reversal of 28692318112796 is 69721181329682.

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, 4790690 + ... + 8962998.

It is an arithmetic number, because the mean of its divisors is an integer number (2253100249260).

Almost surely, 228692318112796 is an apocalyptic number.

28692318112796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28692318112796 is a deficient number, since it is larger than the sum of its proper divisors (25382087869444).

28692318112796 is a wasteful number, since it uses less digits than its factorization.

28692318112796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304573 (or 4304571 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 65.

The spelling of 28692318112796 in words is "twenty-eight trillion, six hundred ninety-two billion, three hundred eighteen million, one hundred twelve thousand, seven hundred ninety-six".

Divisors: 1 2 4 13 26 52 132247 264494 528988 1719211 3438422 4172309 6876844 8344618 16689236 54240017 108480034 216960068 551775348323 1103550696646 2207101393292 7173079528199 14346159056398 28692318112796