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28587104230 = 2524859114997
BaseRepresentation
bin11010100111111011…
…001001011111100110
32201210021200100202011
4122213323021133212
5432021244313410
621044400504434
72031262243126
oct324773113746
981707610664
1028587104230
111113a747583
12565991b11a
13290774c9b9
14155293ac86
15b24a8818a
hex6a7ec97e6

28587104230 has 16 divisors (see below), whose sum is σ = 51459305040. Its totient is φ = 11434282272.

The previous prime is 28587104209. The next prime is 28587104237. The reversal of 28587104230 is 3240178582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28587104237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191092 + ... + 306088.

It is an arithmetic number, because the mean of its divisors is an integer number (3216206565).

Almost surely, 228587104230 is an apocalyptic number.

28587104230 is a deficient number, since it is larger than the sum of its proper divisors (22872200810).

28587104230 is a wasteful number, since it uses less digits than its factorization.

28587104230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139863.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 28587104230 in words is "twenty-eight billion, five hundred eighty-seven million, one hundred four thousand, two hundred thirty".

Divisors: 1 2 5 10 24859 49718 114997 124295 229994 248590 574985 1149970 2858710423 5717420846 14293552115 28587104230