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12171460486 = 229281746807
BaseRepresentation
bin10110101010111100…
…11011111110000110
31011102020202020220211
423111132123332012
5144411343213421
65331432350034
7610422464353
oct132536337606
934366666824
1012171460486
115186521459
12243824531a
1311bc838833
148366d162a
154b383d9e1
hex2d579bf86

12171460486 has 16 divisors (see below), whose sum is σ = 18953987040. Its totient is φ = 5854959040.

The previous prime is 12171460451. The next prime is 12171460501. The reversal of 12171460486 is 68406417121.

It is a congruent number.

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, 357106 + ... + 389701.

It is an arithmetic number, because the mean of its divisors is an integer number (1184624190).

Almost surely, 212171460486 is an apocalyptic number.

12171460486 is a deficient number, since it is larger than the sum of its proper divisors (6782526554).

12171460486 is a wasteful number, since it uses less digits than its factorization.

12171460486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747119.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 12171460486 in words is "twelve billion, one hundred seventy-one million, four hundred sixty thousand, four hundred eighty-six".

Divisors: 1 2 29 58 281 562 8149 16298 746807 1493614 21657403 43314806 209852767 419705534 6085730243 12171460486