Search a number
-
+
12089144031 = 389181250153
BaseRepresentation
bin10110100001001000…
…11011001011011111
31011012111212010222020
423100210123023133
5144224310102111
65315332151223
7605403012606
oct132044331337
934174763866
1012089144031
115144008928
122414768513
1311a8776c83
148297c4a3d
154ab4cd906
hex2d091b2df

12089144031 has 16 divisors (see below), whose sum is σ = 16390090080. Its totient is φ = 7924815360.

The previous prime is 12089143991. The next prime is 12089144033. The reversal of 12089144031 is 13044198021.

It is a happy number.

It is not a de Polignac number, because 12089144031 - 210 = 12089143007 is a prime.

It is a super-2 number, since 2×120891440312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12089143983 and 12089144001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12089144033) 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, 76750 + ... + 173403.

It is an arithmetic number, because the mean of its divisors is an integer number (1024380630).

Almost surely, 212089144031 is an apocalyptic number.

12089144031 is a deficient number, since it is larger than the sum of its proper divisors (4300946049).

12089144031 is a wasteful number, since it uses less digits than its factorization.

12089144031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250426.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 12089144031 in words is "twelve billion, eighty-nine million, one hundred forty-four thousand, thirty-one".

Divisors: 1 3 89 181 267 543 16109 48327 250153 750459 22263617 45277693 66790851 135833079 4029714677 12089144031