Base | Representation |
---|---|
bin | 10010001111111110111… |
… | …111000011000000111100 |
3 | 11102220002022122211201212 |
4 | 102033332333003000330 |
5 | 131021411014022140 |
6 | 2400044243023552 |
7 | 156415046132624 |
oct | 22177677030074 |
9 | 4386068584655 |
10 | 1254113423420 |
11 | 443959373030 |
12 | 18308006abb8 |
13 | 9135460c790 |
14 | 449b1295884 |
15 | 2295075c765 |
hex | 123fefc303c |
1254113423420 has 96 divisors (see below), whose sum is σ = 3111950439360. Its totient is φ = 418527682560.
The previous prime is 1254113423383. The next prime is 1254113423449. The reversal of 1254113423420 is 243243114521.
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 31 ways as a sum of consecutive naturals, for example, 772565 + ... + 1762124.
It is an arithmetic number, because the mean of its divisors is an integer number (32416150410).
Almost surely, 21254113423420 is an apocalyptic number.
1254113423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1254113423420 is an abundant number, since it is smaller than the sum of its proper divisors (1857837015940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1254113423420 is a wasteful number, since it uses less digits than its factorization.
1254113423420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2534895 (or 2534893 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
Adding to 1254113423420 its reverse (243243114521), we get a palindrome (1497356537941).
The spelling of 1254113423420 in words is "one trillion, two hundred fifty-four billion, one hundred thirteen million, four hundred twenty-three thousand, four hundred twenty".
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