Base | Representation |
---|---|
bin | 10110101010000110… |
… | …00101101100101001 |
3 | 1011101202021000201222 |
4 | 23111003011230221 |
5 | 144403024310434 |
6 | 5331014551425 |
7 | 610304525216 |
oct | 132503055451 |
9 | 34352230658 |
10 | 12164291369 |
11 | 518247516a |
12 | 2435968575 |
13 | 11bb1c8659 |
14 | 835786b0d |
15 | 4b2dc472e |
hex | 2d50c5b29 |
12164291369 has 2 divisors, whose sum is σ = 12164291370. Its totient is φ = 12164291368.
The previous prime is 12164291351. The next prime is 12164291411. The reversal of 12164291369 is 96319246121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6160366144 + 6003925225 = 78488^2 + 77485^2 .
It is a cyclic number.
It is not a de Polignac number, because 12164291369 - 228 = 11895855913 is a prime.
It is a super-2 number, since 2×121642913692 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12164291339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082145684 + 6082145685.
It is an arithmetic number, because the mean of its divisors is an integer number (6082145685).
Almost surely, 212164291369 is an apocalyptic number.
It is an amenable number.
12164291369 is a deficient number, since it is larger than the sum of its proper divisors (1).
12164291369 is an equidigital number, since it uses as much as digits as its factorization.
12164291369 is an evil number, because the sum of its binary digits is even.
The product of its digits is 139968, while the sum is 44.
The spelling of 12164291369 in words is "twelve billion, one hundred sixty-four million, two hundred ninety-one thousand, three hundred sixty-nine".
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