Base | Representation |
---|---|
bin | 1011000000010100011001… |
… | …0010011100001111100111 |
3 | 1120211202110220212021200122 |
4 | 2300011012102130033213 |
5 | 3041222002120042411 |
6 | 41422413221432155 |
7 | 2356126544641220 |
oct | 260050622341747 |
9 | 46752426767618 |
10 | 12100102112231 |
11 | 3945696214381 |
12 | 14350b786b65b |
13 | 69a05b402363 |
14 | 2db910420247 |
15 | 15eb410ca9db |
hex | b014649c3e7 |
12100102112231 has 4 divisors (see below), whose sum is σ = 13828688128272. Its totient is φ = 10371516096192.
The previous prime is 12100102112207. The next prime is 12100102112243. The reversal of 12100102112231 is 13221120100121.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12100102112231 - 214 = 12100102095847 is a prime.
It is a super-2 number, since 2×121001021122312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12100102112431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864293008010 + ... + 864293008023.
It is an arithmetic number, because the mean of its divisors is an integer number (3457172032068).
Almost surely, 212100102112231 is an apocalyptic number.
12100102112231 is a deficient number, since it is larger than the sum of its proper divisors (1728586016041).
12100102112231 is an equidigital number, since it uses as much as digits as its factorization.
12100102112231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1728586016040.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 12100102112231 its reverse (13221120100121), we get a palindrome (25321222212352).
The spelling of 12100102112231 in words is "twelve trillion, one hundred billion, one hundred two million, one hundred twelve thousand, two hundred thirty-one".
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