Base | Representation |
---|---|
bin | 10001111010110010001… |
… | …100010111010101011011 |
3 | 11100201022220200221000101 |
4 | 101322302030113111123 |
5 | 130133301124414121 |
6 | 2341401404520231 |
7 | 154651002165355 |
oct | 21726214272533 |
9 | 4321286627011 |
10 | 1231350232411 |
11 | 435238117782 |
12 | 17a788850077 |
13 | 8c167624ba0 |
14 | 4385200c0d5 |
15 | 2206c128491 |
hex | 11eb231755b |
1231350232411 has 16 divisors (see below), whose sum is σ = 1396026903040. Its totient is φ = 1076681561760.
The previous prime is 1231350232397. The next prime is 1231350232423. The reversal of 1231350232411 is 1142320531321.
It is a cyclic number.
It is not a de Polignac number, because 1231350232411 - 215 = 1231350199643 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1231350232411.
It is not an unprimeable number, because it can be changed into a prime (1231350242411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840816 + ... + 2418946.
It is an arithmetic number, because the mean of its divisors is an integer number (87251681440).
Almost surely, 21231350232411 is an apocalyptic number.
1231350232411 is a deficient number, since it is larger than the sum of its proper divisors (164676670629).
1231350232411 is a wasteful number, since it uses less digits than its factorization.
1231350232411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586786.
The product of its (nonzero) digits is 4320, while the sum is 28.
Adding to 1231350232411 its reverse (1142320531321), we get a palindrome (2373670763732).
The spelling of 1231350232411 in words is "one trillion, two hundred thirty-one billion, three hundred fifty million, two hundred thirty-two thousand, four hundred eleven".
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