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12436116220 = 2251125138891
BaseRepresentation
bin10111001010100000…
…00001001011111100
31012002200202011100001
423211100001023330
5200432121204340
65414005044044
7620115146413
oct134520011374
935080664301
1012436116220
115301955200
1224b09b6624
13123260cc68
1485d90447a
154cbbba29a
hex2e54012fc

12436116220 has 36 divisors (see below), whose sum is σ = 28705850712. Its totient is φ = 4522223200.

The previous prime is 12436116211. The next prime is 12436116239. The reversal of 12436116220 is 2261163421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2567026 + ... + 2571865.

It is an arithmetic number, because the mean of its divisors is an integer number (797384742).

Almost surely, 212436116220 is an apocalyptic number.

12436116220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12436116220 is an abundant number, since it is smaller than the sum of its proper divisors (16269734492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12436116220 is a wasteful number, since it uses less digits than its factorization.

12436116220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138922 (or 5138909 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12436116220 its reverse (2261163421), we get a palindrome (14697279641).

The spelling of 12436116220 in words is "twelve billion, four hundred thirty-six million, one hundred sixteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 5138891 10277782 20555564 25694455 51388910 56527801 102777820 113055602 226111204 282639005 565278010 621805811 1130556020 1243611622 2487223244 3109029055 6218058110 12436116220