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2513225440 = 255111427969
BaseRepresentation
bin1001010111001100…
…1100011011100000
320111011002002011201
42111303030123200
520121341203230
61053215050544
7116165030605
oct22563143340
96434062151
102513225440
11107a717520
125a1810a54
133108b015b
1419bad46ac
15ea98e5ca
hex95ccc6e0

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".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 1427969 2855938 5711876 7139845 11423752 14279690 15707659 22847504 28559380 31415318 45695008 57118760 62830636 78538295 114237520 125661272 157076590 228475040 251322544 314153180 502645088 628306360 1256612720 2513225440