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28112646002 = 274398275531
BaseRepresentation
bin11010001011101001…
…001110111101110010
32200120012220101102012
4122023221032331302
5430033314133002
620525331322522
72013441356030
oct321351167562
980505811365
1028112646002
1110a16946041
125546a50442
13286036b59c
141509913550
15ae80b7d52
hex68ba4ef72

28112646002 has 32 divisors (see below), whose sum is σ = 48370037760. Its totient is φ = 12004125840.

The previous prime is 28112645987. The next prime is 28112646047. The reversal of 28112646002 is 20064621182.

It is a self number, because there is not a number n which added to its sum of digits gives 28112646002.

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, 5079977 + ... + 5085507.

It is an arithmetic number, because the mean of its divisors is an integer number (1511563680).

Almost surely, 228112646002 is an apocalyptic number.

28112646002 is a deficient number, since it is larger than the sum of its proper divisors (20257391758).

28112646002 is a wasteful number, since it uses less digits than its factorization.

28112646002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 28112646002 in words is "twenty-eight billion, one hundred twelve million, six hundred forty-six thousand, two".

Divisors: 1 2 7 14 439 827 878 1654 3073 5531 5789 6146 11062 11578 38717 77434 363053 726106 2428109 2541371 4574137 4856218 5082742 9148274 16996763 32018959 33993526 64037918 2008046143 4016092286 14056323001 28112646002