Search a number
-
+
15031314512 = 2461109229617
BaseRepresentation
bin11011111111110111…
…11010100001010000
31102210120001220010022
431333323322201100
5221241004031022
610523313123012
71041330031244
oct157773724120
942716056108
1015031314512
116413870085
122ab5b59468
131557191456
14a28456424
155ce94cc42
hex37fefa850

15031314512 has 80 divisors (see below), whose sum is σ = 30051238800. Its totient is φ = 7280824320.

The previous prime is 15031314509. The next prime is 15031314517. The reversal of 15031314512 is 21541313051.

It can be written as a sum of positive squares in 8 ways, for example, as 904565776 + 14126748736 = 30076^2 + 118856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15031314517) 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, 24361628 + ... + 24362244.

It is an arithmetic number, because the mean of its divisors is an integer number (375640485).

Almost surely, 215031314512 is an apocalyptic number.

It is an amenable number.

15031314512 is a deficient number, since it is larger than the sum of its proper divisors (15019924288).

15031314512 is a wasteful number, since it uses less digits than its factorization.

15031314512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 15031314512 its reverse (21541313051), we get a palindrome (36572627563).

The spelling of 15031314512 in words is "fifteen billion, thirty-one million, three hundred fourteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16 61 109 122 218 229 244 436 458 488 617 872 916 976 1234 1744 1832 2468 3664 4936 6649 9872 13298 13969 24961 26596 27938 37637 49922 53192 55876 67253 75274 99844 106384 111752 134506 141293 150548 199688 223504 269012 282586 301096 399376 538024 565172 602192 1076048 1130344 1522621 2260688 3045242 4102433 6090484 8204866 8618873 12180968 15400937 16409732 17237746 24361936 30801874 32819464 34475492 61603748 65638928 68950984 123207496 137901968 246414992 939457157 1878914314 3757828628 7515657256 15031314512