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12836288680 = 235320907217
BaseRepresentation
bin10111111010001101…
…00011100010101000
31020010120202000202021
423331012203202220
5202242042214210
65521422114224
7633044440105
oct137506434250
936116660667
1012836288680
115497828746
1225a2a1b974
1312974b1bb7
1489ab11aac
15501db4bda
hex2fd1a38a8

12836288680 has 16 divisors (see below), whose sum is σ = 28881649620. Its totient is φ = 5134515456.

The previous prime is 12836288669. The next prime is 12836288701. The reversal of 12836288680 is 8688263821.

12836288680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12370333284 + 465955396 = 111222^2 + 21586^2 .

It is a super-2 number, since 2×128362886802 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 160453569 + ... + 160453648.

Almost surely, 212836288680 is an apocalyptic number.

12836288680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12836288680 is an abundant number, since it is smaller than the sum of its proper divisors (16045360940).

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

12836288680 is a wasteful number, since it uses less digits than its factorization.

12836288680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320907228 (or 320907224 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 12836288680 in words is "twelve billion, eight hundred thirty-six million, two hundred eighty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 320907217 641814434 1283628868 1604536085 2567257736 3209072170 6418144340 12836288680