Search a number
-
+
12012830283 = 329757318233
BaseRepresentation
bin10110011000000010…
…10011111001001011
31011000012021000012010
423030001103321023
5144100241032113
65304004351003
7603455241546
oct131401237113
934005230163
1012012830283
115104a25213
1223b30a5463
131195a076cc
1481d5db85d
154a49571c3
hex2cc053e4b

12012830283 has 16 divisors (see below), whose sum is σ = 16572517920. Its totient is φ = 7730951424.

The previous prime is 12012830279. The next prime is 12012830299. The reversal of 12012830283 is 38203821021.

It is not a de Polignac number, because 12012830283 - 22 = 12012830279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012830283.

It is not an unprimeable number, because it can be changed into a prime (12012830273) 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, 649735 + ... + 667967.

It is an arithmetic number, because the mean of its divisors is an integer number (1035782370).

Almost surely, 212012830283 is an apocalyptic number.

12012830283 is a deficient number, since it is larger than the sum of its proper divisors (4559687637).

12012830283 is a wasteful number, since it uses less digits than its factorization.

12012830283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25838.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 12012830283 in words is "twelve billion, twelve million, eight hundred thirty thousand, two hundred eighty-three".

Divisors: 1 3 29 87 7573 18233 22719 54699 219617 528757 658851 1586271 138078509 414235527 4004276761 12012830283