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13214656749 = 37629269369
BaseRepresentation
bin11000100111010011…
…11010100011101101
31021002221201010011110
430103221322203231
5204030423003444
610023135542233
7645320505030
oct142351724355
937087633143
1013214656749
115671369228
12268968a979
1313279bb328
148d5085017
15525203cb9
hex313a7a8ed

13214656749 has 8 divisors (see below), whose sum is σ = 20136619840. Its totient is φ = 7551232416.

The previous prime is 13214656729. The next prime is 13214656783. The reversal of 13214656749 is 94765641231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13214656749 - 25 = 13214656717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13214656698 and 13214656707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214656729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314634664 + ... + 314634705.

It is an arithmetic number, because the mean of its divisors is an integer number (2517077480).

Almost surely, 213214656749 is an apocalyptic number.

It is an amenable number.

13214656749 is a deficient number, since it is larger than the sum of its proper divisors (6921963091).

13214656749 is an equidigital number, since it uses as much as digits as its factorization.

13214656749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629269379.

The product of its digits is 1088640, while the sum is 48.

The spelling of 13214656749 in words is "thirteen billion, two hundred fourteen million, six hundred fifty-six thousand, seven hundred forty-nine".

Divisors: 1 3 7 21 629269369 1887808107 4404885583 13214656749