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2630280730 = 257113415949
BaseRepresentation
bin1001110011000110…
…1110011000011010
320210022100002211211
42130301232120122
520341322440410
61113000013334
7122116005640
oct23461563032
96708302754
102630280730
11112a7a7930
12614a6124a
1332bc1593c
141ad485190
15105db268a
hex9cc6e61a

2630280730 has 32 divisors (see below), whose sum is σ = 5902761600. Its totient is φ = 819827520.

The previous prime is 2630280721. The next prime is 2630280733. The reversal of 2630280730 is 370820362.

2630280730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2630280692 and 2630280701.

It is not an unprimeable number, because it can be changed into a prime (2630280733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707205 + ... + 1708744.

It is an arithmetic number, because the mean of its divisors is an integer number (184461300).

Almost surely, 22630280730 is an apocalyptic number.

2630280730 is an abundant number, since it is smaller than the sum of its proper divisors (3272480870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2630280730 is a wasteful number, since it uses less digits than its factorization.

2630280730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415974.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2630280730 is about 51286.2625856086. The cubic root of 2630280730 is about 1380.3864929501.

The spelling of 2630280730 in words is "two billion, six hundred thirty million, two hundred eighty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 3415949 6831898 17079745 23911643 34159490 37575439 47823286 75150878 119558215 187877195 239116430 263028073 375754390 526056146 1315140365 2630280730