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28158010486 = 2171276521077
BaseRepresentation
bin11010001110010110…
…010010010001110110
32200200101021010210021
4122032112102101312
5430131422313421
620534031515354
72014532066014
oct321626222166
980611233707
1028158010486
1110a3a510051
12555a088b5a
132869892a88
1415119618b4
15aec079341
hex68e592476

28158010486 has 16 divisors (see below), whose sum is σ = 45073691136. Its totient is φ = 13146489216.

The previous prime is 28158010481. The next prime is 28158010493. The reversal of 28158010486 is 68401085182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28158010481) by changing a digit.

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, 3256221 + ... + 3264856.

It is an arithmetic number, because the mean of its divisors is an integer number (2817105696).

Almost surely, 228158010486 is an apocalyptic number.

28158010486 is a deficient number, since it is larger than the sum of its proper divisors (16915680650).

28158010486 is a wasteful number, since it uses less digits than its factorization.

28158010486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521223.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 28158010486 in words is "twenty-eight billion, one hundred fifty-eight million, ten thousand, four hundred eighty-six".

Divisors: 1 2 17 34 127 254 2159 4318 6521077 13042154 110858309 221716618 828176779 1656353558 14079005243 28158010486