Base | Representation |
---|---|
bin | 10001111010110010001… |
… | …111011100110110101110 |
3 | 11100201022222020000210221 |
4 | 101322302033130312232 |
5 | 130133301331311304 |
6 | 2341401434121554 |
7 | 154651012105162 |
oct | 21726217346656 |
9 | 4321288200727 |
10 | 1231351041454 |
11 | 43523861a606 |
12 | 17a788b802ba |
13 | 8c167849201 |
14 | 4385217cca2 |
15 | 2206c238054 |
hex | 11eb23dcdae |
1231351041454 has 16 divisors (see below), whose sum is σ = 1895414819760. Its totient is φ = 599713246080.
The previous prime is 1231351041439. The next prime is 1231351041499. The reversal of 1231351041454 is 4541401531321.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41771307 + ... + 41800774.
It is an arithmetic number, because the mean of its divisors is an integer number (118463426235).
Almost surely, 21231351041454 is an apocalyptic number.
1231351041454 is a deficient number, since it is larger than the sum of its proper divisors (664063778306).
1231351041454 is a wasteful number, since it uses less digits than its factorization.
1231351041454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83572275.
The product of its (nonzero) digits is 28800, while the sum is 34.
Adding to 1231351041454 its reverse (4541401531321), we get a palindrome (5772752572775).
The spelling of 1231351041454 in words is "one trillion, two hundred thirty-one billion, three hundred fifty-one million, forty-one thousand, four hundred fifty-four".
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