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28107540386 = 2223118753093
BaseRepresentation
bin11010001011010101…
…110000011110100010
32200112212021222211022
4122023111300132202
5430031012243021
620525030045442
72013350102612
oct321325603642
980485258738
1028107540386
1110a13a79122
1255451a9882
13285c2a1703
141508d84a42
15ae790a1ab
hex68b5707a2

28107540386 has 16 divisors (see below), whose sum is σ = 42386851584. Its totient is φ = 13978698864.

The previous prime is 28107540343. The next prime is 28107540401. The reversal of 28107540386 is 68304570182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502856 + ... + 555948.

It is an arithmetic number, because the mean of its divisors is an integer number (2649178224).

Almost surely, 228107540386 is an apocalyptic number.

28107540386 is a deficient number, since it is larger than the sum of its proper divisors (14279311198).

28107540386 is a wasteful number, since it uses less digits than its factorization.

28107540386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54505.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28107540386 in words is "twenty-eight billion, one hundred seven million, five hundred forty thousand, three hundred eighty-six".

Divisors: 1 2 223 446 1187 2374 53093 106186 264701 529402 11839739 23679478 63021391 126042782 14053770193 28107540386