Base | Representation |
---|---|
bin | 11000101000110101… |
… | …01110001101011101 |
3 | 1021010211210010220002 |
4 | 30110122232031131 |
5 | 204042211414404 |
6 | 10024314104045 |
7 | 645534323516 |
oct | 142432561535 |
9 | 37124703802 |
10 | 13227451229 |
11 | 5678607983 |
12 | 2691a1b025 |
13 | 132a54ab25 |
14 | 8d6a55a0d |
15 | 5263cec1e |
hex | 3146ae35d |
13227451229 has 2 divisors, whose sum is σ = 13227451230. Its totient is φ = 13227451228.
The previous prime is 13227451219. The next prime is 13227451277. The reversal of 13227451229 is 92215472231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12627691129 + 599760100 = 112373^2 + 24490^2 .
It is a cyclic number.
It is not a de Polignac number, because 13227451229 - 216 = 13227385693 is a prime.
It is a super-2 number, since 2×132274512292 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13227451192 and 13227451201.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13227451219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613725614 + 6613725615.
It is an arithmetic number, because the mean of its divisors is an integer number (6613725615).
Almost surely, 213227451229 is an apocalyptic number.
It is an amenable number.
13227451229 is a deficient number, since it is larger than the sum of its proper divisors (1).
13227451229 is an equidigital number, since it uses as much as digits as its factorization.
13227451229 is an evil number, because the sum of its binary digits is even.
The product of its digits is 60480, while the sum is 38.
The spelling of 13227451229 in words is "thirteen billion, two hundred twenty-seven million, four hundred fifty-one thousand, two hundred twenty-nine".
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