Search a number
-
+
12133030340 = 2254871245691
BaseRepresentation
bin10110100110010111…
…10101100111000100
31011022120102210200002
423103023311213010
5144322023432330
65323540540432
7606445025204
oct132313654704
934276383602
1012133030340
115166863302
1224273b1718
1311b48a16c2
1483156a404
154b029be45
hex2d32f59c4

12133030340 has 24 divisors (see below), whose sum is σ = 25531703232. Its totient is φ = 4843242720.

The previous prime is 12133030319. The next prime is 12133030363. The reversal of 12133030340 is 4303033121.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 613106 + ... + 632585.

It is an arithmetic number, because the mean of its divisors is an integer number (1063820968).

Almost surely, 212133030340 is an apocalyptic number.

12133030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133030340 is an abundant number, since it is smaller than the sum of its proper divisors (13398672892).

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

12133030340 is a wasteful number, since it uses less digits than its factorization.

12133030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246187 (or 1246185 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12133030340 its reverse (4303033121), we get a palindrome (16436063461).

The spelling of 12133030340 in words is "twelve billion, one hundred thirty-three million, thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 487 974 1948 2435 4870 9740 1245691 2491382 4982764 6228455 12456910 24913820 606651517 1213303034 2426606068 3033257585 6066515170 12133030340