Base | Representation |
---|---|
bin | 10110101010000110… |
… | …00101101100101000 |
3 | 1011101202021000201221 |
4 | 23111003011230220 |
5 | 144403024310433 |
6 | 5331014551424 |
7 | 610304525215 |
oct | 132503055450 |
9 | 34352230657 |
10 | 12164291368 |
11 | 5182475169 |
12 | 2435968574 |
13 | 11bb1c8658 |
14 | 835786b0c |
15 | 4b2dc472d |
hex | 2d50c5b28 |
12164291368 has 8 divisors (see below), whose sum is σ = 22808046330. Its totient is φ = 6082145680.
The previous prime is 12164291351. The next prime is 12164291369. The reversal of 12164291368 is 86319246121.
It can be written as a sum of positive squares in only one way, i.e., 10873901284 + 1290390084 = 104278^2 + 35922^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×121642913682 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12164291369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760268203 + ... + 760268218.
Almost surely, 212164291368 is an apocalyptic number.
It is an amenable number.
12164291368 is a deficient number, since it is larger than the sum of its proper divisors (10643754962).
12164291368 is a wasteful number, since it uses less digits than its factorization.
12164291368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1520536427 (or 1520536423 counting only the distinct ones).
The product of its digits is 124416, while the sum is 43.
The spelling of 12164291368 in words is "twelve billion, one hundred sixty-four million, two hundred ninety-one thousand, three hundred sixty-eight".
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