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13121208814 = 272274128763
BaseRepresentation
bin11000011100001010…
…11100000111101110
31020212102212110200211
430032011130013232
5203333012140224
610010001013034
7643104302050
oct141605340756
936772773624
1013121208814
11562364242a
12266232417a
13131152cbac
148c68bb8d0
1551bde5894
hex30e15c1ee

13121208814 has 16 divisors (see below), whose sum is σ = 22592596608. Its totient is φ = 5598601272.

The previous prime is 13121208791. The next prime is 13121208827. The reversal of 13121208814 is 41880212131.

13121208814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131212088142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2061204 + ... + 2067559.

It is an arithmetic number, because the mean of its divisors is an integer number (1412037288).

Almost surely, 213121208814 is an apocalyptic number.

13121208814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13121208814 is a deficient number, since it is larger than the sum of its proper divisors (9471387794).

13121208814 is a wasteful number, since it uses less digits than its factorization.

13121208814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128999.

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 13121208814 in words is "thirteen billion, one hundred twenty-one million, two hundred eight thousand, eight hundred fourteen".

Divisors: 1 2 7 14 227 454 1589 3178 4128763 8257526 28901341 57802682 937229201 1874458402 6560604407 13121208814