Base | Representation |
---|---|
bin | 1001010111001100… |
… | …1100011011100000 |
3 | 20111011002002011201 |
4 | 2111303030123200 |
5 | 20121341203230 |
6 | 1053215050544 |
7 | 116165030605 |
oct | 22563143340 |
9 | 6434062151 |
10 | 2513225440 |
11 | 107a717520 |
12 | 5a1810a54 |
13 | 3108b015b |
14 | 19bad46ac |
15 | ea98e5ca |
hex | 95ccc6e0 |
2513225440 has 48 divisors (see below), whose sum is σ = 6477271920. Its totient is φ = 913899520.
The previous prime is 2513225417. The next prime is 2513225467. The reversal of 2513225440 is 445223152.
It is a super-2 number, since 2×25132254402 = 12632604224526387200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2513225399 and 2513225408.
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, 712225 + ... + 715744.
It is an arithmetic number, because the mean of its divisors is an integer number (134943165).
Almost surely, 22513225440 is an apocalyptic number.
2513225440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2513225440 is an abundant number, since it is smaller than the sum of its proper divisors (3964046480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2513225440 is a wasteful number, since it uses less digits than its factorization.
2513225440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1427995 (or 1427987 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
The square root of 2513225440 is about 50132.0799488711. The cubic root of 2513225440 is about 1359.5978915017.
Adding to 2513225440 its reverse (445223152), we get a palindrome (2958448592).
The spelling of 2513225440 in words is "two billion, five hundred thirteen million, two hundred twenty-five thousand, four hundred forty".
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