Search a number
-
+
28694341696 = 264310426723
BaseRepresentation
bin11010101110010100…
…001110100001000000
32202001202110120220011
4122232110032201000
5432231222413241
621103151154304
72034033610606
oct325624164100
982052416804
1028694341696
1111195231689
125689815994
132923a28817
141562c93876
15b2e1bc281
hex6ae50e840

28694341696 has 28 divisors (see below), whose sum is σ = 58264533712. Its totient is φ = 14013514368.

The previous prime is 28694341681. The next prime is 28694341699. The reversal of 28694341696 is 69614349682.

It is a self number, because there is not a number n which added to its sum of digits gives 28694341696.

It is not an unprimeable number, because it can be changed into a prime (28694341699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210610 + ... + 5216113.

It is an arithmetic number, because the mean of its divisors is an integer number (2080876204).

Almost surely, 228694341696 is an apocalyptic number.

It is an amenable number.

28694341696 is an abundant number, since it is smaller than the sum of its proper divisors (29570192016).

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

28694341696 is a wasteful number, since it uses less digits than its factorization.

28694341696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426778 (or 10426768 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 58.

The spelling of 28694341696 in words is "twenty-eight billion, six hundred ninety-four million, three hundred forty-one thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 10426723 20853446 41706892 83413784 166827568 333655136 448349089 667310272 896698178 1793396356 3586792712 7173585424 14347170848 28694341696