Base | Representation |
---|---|
bin | 1011001100101101100111… |
… | …1010101110100010111101 |
3 | 1121121010002101121122101000 |
4 | 2303023121322232202331 |
5 | 3103214042233234323 |
6 | 42104310131040513 |
7 | 2410405263566421 |
oct | 263133172564275 |
9 | 47533071548330 |
10 | 12313032321213 |
11 | 3a17a228219a8 |
12 | 146a421740139 |
13 | 6b41634c8860 |
14 | 307d4d8a0b81 |
15 | 1654547b7e43 |
hex | b32d9eae8bd |
12313032321213 has 32 divisors (see below), whose sum is σ = 20123863562880. Its totient is φ = 7392439658880.
The previous prime is 12313032321199. The next prime is 12313032321229. The reversal of 12313032321213 is 31212323031321.
12313032321213 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 303 + 232 + 121 + 3 = 666.
It is not a de Polignac number, because 12313032321213 - 24 = 12313032321197 is a prime.
It is a super-2 number, since 2×123130323212132 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12313032321613) 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, 427788831 + ... + 427817612.
It is an arithmetic number, because the mean of its divisors is an integer number (628870736340).
Almost surely, 212313032321213 is an apocalyptic number.
12313032321213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12313032321213 is a deficient number, since it is larger than the sum of its proper divisors (7810831241667).
12313032321213 is a wasteful number, since it uses less digits than its factorization.
12313032321213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855606506 (or 855606500 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 12313032321213 its reverse (31212323031321), we get a palindrome (43525355352534).
The spelling of 12313032321213 in words is "twelve trillion, three hundred thirteen billion, thirty-two million, three hundred twenty-one thousand, two hundred thirteen".
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