Base | Representation |
---|---|
bin | 1011000111111000110010… |
… | …0111101101100001011111 |
3 | 1121022012002212100212120010 |
4 | 2301332030213231201133 |
5 | 3100334302031041111 |
6 | 42002240014254303 |
7 | 2401412023130130 |
oct | 261761447554137 |
9 | 47265085325503 |
10 | 12230131112031 |
11 | 39958511a0488 |
12 | 14563461b7393 |
13 | 6a93b12bb821 |
14 | 303d276b7c87 |
15 | 16320176baa6 |
hex | b1f8c9ed85f |
12230131112031 has 16 divisors (see below), whose sum is σ = 18695180150784. Its totient is φ = 6966600142944.
The previous prime is 12230131111993. The next prime is 12230131112047. The reversal of 12230131112031 is 13021113103221.
It is not a de Polignac number, because 12230131112031 - 237 = 12092692158559 is a prime.
It is a super-2 number, since 2×122301311120312 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12230131111989 and 12230131112007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230131112531) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918585135 + ... + 918598448.
It is an arithmetic number, because the mean of its divisors is an integer number (1168448759424).
Almost surely, 212230131112031 is an apocalyptic number.
12230131112031 is a deficient number, since it is larger than the sum of its proper divisors (6465049038753).
12230131112031 is a wasteful number, since it uses less digits than its factorization.
12230131112031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1837183910.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 12230131112031 its reverse (13021113103221), we get a palindrome (25251244215252).
The spelling of 12230131112031 in words is "twelve trillion, two hundred thirty billion, one hundred thirty-one million, one hundred twelve thousand, thirty-one".
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