Base | Representation |
---|---|
bin | 1011001100001001000100… |
… | …0011110100001011100111 |
3 | 1121120011202120001201100120 |
4 | 2303002101003310023213 |
5 | 3103033443312012411 |
6 | 42100004331413023 |
7 | 2406610155530052 |
oct | 263022103641347 |
9 | 47504676051316 |
10 | 12303220032231 |
11 | 3a13847a66a67 |
12 | 14685435b4173 |
13 | 6b325b681cbb |
14 | 30769c641a99 |
15 | 16507d138106 |
hex | b30910f42e7 |
12303220032231 has 32 divisors (see below), whose sum is σ = 17297788584960. Its totient is φ = 7763034200064.
The previous prime is 12303220032161. The next prime is 12303220032239. The reversal of 12303220032231 is 13223002230321.
It is not a de Polignac number, because 12303220032231 - 226 = 12303152923367 is a prime.
It is a super-2 number, since 2×123032200322312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12303220032239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8030215 + ... + 9438791.
It is an arithmetic number, because the mean of its divisors is an integer number (540555893280).
Almost surely, 212303220032231 is an apocalyptic number.
12303220032231 is a deficient number, since it is larger than the sum of its proper divisors (4994568552729).
12303220032231 is a wasteful number, since it uses less digits than its factorization.
12303220032231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1409935.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 12303220032231 its reverse (13223002230321), we get a palindrome (25526222262552).
The spelling of 12303220032231 in words is "twelve trillion, three hundred three billion, two hundred twenty million, thirty-two thousand, two hundred thirty-one".
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