Search a number
-
+
12550645330 = 254817260549
BaseRepresentation
bin10111011000001001…
…11010011001010010
31012101200020211201221
423230010322121102
5201200431122310
65433215515254
7623005503466
oct135404723122
935350224657
1012550645330
11536056a663
122523228b2a
13125026c972
14870bd84a6
154d6c8eada
hex2ec13a652

12550645330 has 16 divisors (see below), whose sum is σ = 22595938200. Its totient is φ = 5019196672.

The previous prime is 12550645319. The next prime is 12550645351. The reversal of 12550645330 is 3354605521.

It can be written as a sum of positive squares in 4 ways, for example, as 8617223241 + 3933422089 = 92829^2 + 62717^2 .

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, 82105 + ... + 178444.

Almost surely, 212550645330 is an apocalyptic number.

12550645330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12550645330 is a deficient number, since it is larger than the sum of its proper divisors (10045292870).

12550645330 is a wasteful number, since it uses less digits than its factorization.

12550645330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265373.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 12550645330 in words is "twelve billion, five hundred fifty million, six hundred forty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 4817 9634 24085 48170 260549 521098 1302745 2605490 1255064533 2510129066 6275322665 12550645330