Base | Representation |
---|---|
bin | 1010111100010100001000… |
… | …0101011000001101000101 |
3 | 1120121011220211022201000211 |
4 | 2233011002011120031011 |
5 | 3034110111344232323 |
6 | 41331035233035421 |
7 | 2351143062335155 |
oct | 257050205301505 |
9 | 46534824281024 |
10 | 12031312102213 |
11 | 39194a6031728 |
12 | 14238ba0b5b71 |
13 | 693717869311 |
14 | 2d84663b8765 |
15 | 15ce66d2a70d |
hex | af142158345 |
12031312102213 has 8 divisors (see below), whose sum is σ = 12263558954400. Its totient is φ = 11799259359888.
The previous prime is 12031312102157. The next prime is 12031312102267. The reversal of 12031312102213 is 31220121313021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12031312102213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12031312102273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48402303 + ... + 48650236.
It is an arithmetic number, because the mean of its divisors is an integer number (1532944869300).
Almost surely, 212031312102213 is an apocalyptic number.
It is an amenable number.
12031312102213 is a deficient number, since it is larger than the sum of its proper divisors (232246852187).
12031312102213 is an equidigital number, since it uses as much as digits as its factorization.
12031312102213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97054931.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 12031312102213 its reverse (31220121313021), we get a palindrome (43251433415234).
The spelling of 12031312102213 in words is "twelve trillion, thirty-one billion, three hundred twelve million, one hundred two thousand, two hundred thirteen".
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