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28063154834 = 2111398122919
BaseRepresentation
bin11010001000101100…
…011100001010010010
32200102202202222021222
4122020230130022102
5424433131423314
620520402445042
72012300610641
oct321054341222
980382688258
1028063154834
11109a0a12650
125532363782
132853030980
14150310d358
15ae3a8dc8e
hex688b1c292

28063154834 has 16 divisors (see below), whose sum is σ = 49453951680. Its totient is φ = 11774750160.

The previous prime is 28063154827. The next prime is 28063154849. The reversal of 28063154834 is 43845136082.

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, 49061174 + ... + 49061745.

It is an arithmetic number, because the mean of its divisors is an integer number (3090871980).

Almost surely, 228063154834 is an apocalyptic number.

28063154834 is a deficient number, since it is larger than the sum of its proper divisors (21390796846).

28063154834 is a wasteful number, since it uses less digits than its factorization.

28063154834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98122945.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 28063154834 in words is "twenty-eight billion, sixty-three million, one hundred fifty-four thousand, eight hundred thirty-four".

Divisors: 1 2 11 13 22 26 143 286 98122919 196245838 1079352109 1275597947 2158704218 2551195894 14031577417 28063154834