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13160642221 = 2937431511889
BaseRepresentation
bin11000100000110111…
…10111011010101101
31020222012001220011101
430100123313122231
5203423111022341
610013530123101
7644063420206
oct142033673255
936865056141
1013160642221
115643926321
122673580491
13131975887c
148cbc245ad
155205d4831
hex3106f76ad

13160642221 has 32 divisors (see below), whose sum is σ = 14409964800. Its totient is φ = 11989555200.

The previous prime is 13160642207. The next prime is 13160642237. The reversal of 13160642221 is 12224606131.

It is a cyclic number.

It is not a de Polignac number, because 13160642221 - 29 = 13160641709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13160642221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13160640221) 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 31 ways as a sum of consecutive naturals, for example, 6966045 + ... + 6967933.

It is an arithmetic number, because the mean of its divisors is an integer number (450311400).

Almost surely, 213160642221 is an apocalyptic number.

It is an amenable number.

13160642221 is a deficient number, since it is larger than the sum of its proper divisors (1249322579).

13160642221 is a wasteful number, since it uses less digits than its factorization.

13160642221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149.

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

The spelling of 13160642221 in words is "thirteen billion, one hundred sixty million, six hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 29 37 43 151 1073 1247 1591 1889 4379 5587 6493 46139 54781 69893 81227 162023 188297 240241 285239 2026897 2355583 3005399 6966989 8271931 10553843 12265277 87156571 306061447 355693033 453815249 13160642221