Search a number
-
+
12012002623 = 291908721701
BaseRepresentation
bin10110010111111100…
…01001110100111111
31011000010200221212001
423023332021310333
5144100033040443
65303534523131
7603445223545
oct131376116477
934003627761
1012012002623
11510450a3a5
1223b29664a7
1311957a7a7a
1481d463d95
154a4841d4d
hex2cbf89d3f

12012002623 has 8 divisors (see below), whose sum is σ = 12427433280. Its totient is φ = 11596653600.

The previous prime is 12012002621. The next prime is 12012002671. The reversal of 12012002623 is 32620021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012002623 - 21 = 12012002621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012002623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012002621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542673 + ... + 564373.

It is an arithmetic number, because the mean of its divisors is an integer number (1553429160).

Almost surely, 212012002623 is an apocalyptic number.

12012002623 is a deficient number, since it is larger than the sum of its proper divisors (415430657).

12012002623 is a wasteful number, since it uses less digits than its factorization.

12012002623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40817.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12012002623 its reverse (32620021021), we get a palindrome (44632023644).

The spelling of 12012002623 in words is "twelve billion, twelve million, two thousand, six hundred twenty-three".

Divisors: 1 29 19087 21701 553523 629329 414206987 12012002623