Base | Representation |
---|---|
bin | 11101010010110111011… |
… | …000000011010110010111 |
3 | 21010110012212202102001010 |
4 | 131102313120003112113 |
5 | 230440333013331411 |
6 | 4140452022303303 |
7 | 265305010056426 |
oct | 35226730032627 |
9 | 7113185672033 |
10 | 2013121230231 |
11 | 70683a4a8311 |
12 | 2861a6287b33 |
13 | 117ab4aa0c27 |
14 | 6d6153752bd |
15 | 37574dc97a6 |
hex | 1d4b7603597 |
2013121230231 has 8 divisors (see below), whose sum is σ = 2684169076464. Its totient is φ = 1342077102080.
The previous prime is 2013121230229. The next prime is 2013121230257. The reversal of 2013121230231 is 1320321213102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2013121230231 - 21 = 2013121230229 is a prime.
It is a super-2 number, since 2×20131212302312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2013121230198 and 2013121230207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013121234231) 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, 786325 + ... + 2155121.
It is an arithmetic number, because the mean of its divisors is an integer number (335521134558).
Almost surely, 22013121230231 is an apocalyptic number.
2013121230231 is a deficient number, since it is larger than the sum of its proper divisors (671047846233).
2013121230231 is a wasteful number, since it uses less digits than its factorization.
2013121230231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859041.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2013121230231 its reverse (1320321213102), we get a palindrome (3333442443333).
The spelling of 2013121230231 in words is "two trillion, thirteen billion, one hundred twenty-one million, two hundred thirty thousand, two hundred thirty-one".
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