Base | Representation |
---|---|
bin | 1011000110010100001100… |
… | …1111100001110011011111 |
3 | 1121012121102010110001101112 |
4 | 2301211003033201303133 |
5 | 3044414002314411111 |
6 | 41542012435532235 |
7 | 2366434641340304 |
oct | 261450317416337 |
9 | 47177363401345 |
10 | 12203130232031 |
11 | 3985355976722 |
12 | 145106b75a07b |
13 | 6a699a39055b |
14 | 3028c56c70ab |
15 | 1626710b0e8b |
hex | b19433e1cdf |
12203130232031 has 4 divisors (see below), whose sum is σ = 12433377972312. Its totient is φ = 11972882491752.
The previous prime is 12203130231977. The next prime is 12203130232109. The reversal of 12203130232031 is 13023203130221.
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 12203130232031 - 26 = 12203130231967 is a prime.
It is a super-4 number, since 4×122031302320314 (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12203130231988 and 12203130232006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203130231031) 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, 115123870061 + ... + 115123870166.
It is an arithmetic number, because the mean of its divisors is an integer number (3108344493078).
Almost surely, 212203130232031 is an apocalyptic number.
12203130232031 is a deficient number, since it is larger than the sum of its proper divisors (230247740281).
12203130232031 is an equidigital number, since it uses as much as digits as its factorization.
12203130232031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230247740280.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 12203130232031 its reverse (13023203130221), we get a palindrome (25226333362252).
The spelling of 12203130232031 in words is "twelve trillion, two hundred three billion, one hundred thirty million, two hundred thirty-two thousand, thirty-one".
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