Base | Representation |
---|---|
bin | 10001111010111000011… |
… | …001011001111111010100 |
3 | 11100201121011112211201210 |
4 | 101322320121121333110 |
5 | 130134004301030302 |
6 | 2341420003421420 |
7 | 154653404651505 |
oct | 21727031317724 |
9 | 4321534484653 |
10 | 1231454314452 |
11 | 43529094709a |
12 | 17a7b7684870 |
13 | 8c1830676ab |
14 | 43861b82bac |
15 | 2207633766c |
hex | 11eb8659fd4 |
1231454314452 has 24 divisors (see below), whose sum is σ = 2873425161376. Its totient is φ = 410480234208.
The previous prime is 1231454314417. The next prime is 1231454314481. The reversal of 1231454314452 is 2544134541321.
It is a self number, because there is not a number n which added to its sum of digits gives 1231454314452.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672003 + ... + 1707189.
Almost surely, 21231454314452 is an apocalyptic number.
1231454314452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1231454314452 is an abundant number, since it is smaller than the sum of its proper divisors (1641970846924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1231454314452 is a wasteful number, since it uses less digits than its factorization.
1231454314452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1134327 (or 1134325 counting only the distinct ones).
The product of its digits is 230400, while the sum is 39.
Adding to 1231454314452 its reverse (2544134541321), we get a palindrome (3775588855773).
The spelling of 1231454314452 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-four million, three hundred fourteen thousand, four hundred fifty-two".
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