Base | Representation |
---|---|
bin | 10110101000110101… |
… | …00000010000001000 |
3 | 1011101000020111120212 |
4 | 23110122200100020 |
5 | 144342313332412 |
6 | 5325554540252 |
7 | 610115224301 |
oct | 132432402010 |
9 | 34330214525 |
10 | 12153652232 |
11 | 5177468897 |
12 | 2432297688 |
13 | 11b8c41bc7 |
14 | 8341b77a8 |
15 | 4b1ec2222 |
hex | 2d46a0408 |
12153652232 has 12 divisors (see below), whose sum is σ = 22788682605. Its totient is φ = 6076670208.
The previous prime is 12153652187. The next prime is 12153652237. The reversal of 12153652232 is 23225635121.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 9004871236 + 3148780996 = 94894^2 + 56114^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=77954.
It is a super-2 number, since 2×121536522322 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12153652237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 292328 + ... + 331304.
Almost surely, 212153652232 is an apocalyptic number.
It is an amenable number.
12153652232 is a deficient number, since it is larger than the sum of its proper divisors (10635030373).
12153652232 is an frugal number, since it uses more digits than its factorization.
12153652232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77960 (or 38979 counting only the distinct ones).
The product of its digits is 21600, while the sum is 32.
Multiplying 12153652232 by its sum of digits (32), we get a square (388916871424 = 6236322).
The spelling of 12153652232 in words is "twelve billion, one hundred fifty-three million, six hundred fifty-two thousand, two hundred thirty-two".
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