Search a number
-
+
12951567444 = 22323101946051
BaseRepresentation
bin11000000111111100…
…10011110001010100
31020102121122210111010
430003332103301110
5203011100124234
65541101012220
7635644335564
oct140376236124
936377583433
1012951567444
115546905352
122615554070
1312b5344b9a
148ac15cda4
1550c0866e9
hex303f93c54

12951567444 has 48 divisors (see below), whose sum is σ = 31565882880. Its totient is φ = 4125343200.

The previous prime is 12951567443. The next prime is 12951567463. The reversal of 12951567444 is 44476515921.

12951567444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12951567393 and 12951567402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951567443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258219 + ... + 304269.

It is an arithmetic number, because the mean of its divisors is an integer number (657622560).

Almost surely, 212951567444 is an apocalyptic number.

It is an amenable number.

12951567444 is an abundant number, since it is smaller than the sum of its proper divisors (18614315436).

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

12951567444 is a wasteful number, since it uses less digits than its factorization.

12951567444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47100 (or 47098 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The spelling of 12951567444 in words is "twelve billion, nine hundred fifty-one million, five hundred sixty-seven thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1019 2038 3057 4076 6114 12228 23437 46051 46874 70311 92102 93748 138153 140622 184204 276306 281244 552612 1059173 2118346 3177519 4236692 6355038 12710076 46925969 93851938 140777907 187703876 281555814 563111628 1079297287 2158594574 3237891861 4317189148 6475783722 12951567444