Search a number
-
+
28996426912 = 251994553459
BaseRepresentation
bin11011000000010100…
…100101110010100000
32202211210220002220111
4123000110211302200
5433341041130122
621153142021104
72044362363535
oct330024456240
982753802814
1028996426912
111132a7aa792
125752a17794
1329714a677b
14159104ad8c
15b4a98dd77
hex6c0525ca0

28996426912 has 24 divisors (see below), whose sum is σ = 57373596000. Its totient is φ = 14425354944.

The previous prime is 28996426859. The next prime is 28996426913. The reversal of 28996426912 is 21962469982.

It is not an unprimeable number, because it can be changed into a prime (28996426913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270362 + ... + 2283097.

It is an arithmetic number, because the mean of its divisors is an integer number (2390566500).

Almost surely, 228996426912 is an apocalyptic number.

It is an amenable number.

28996426912 is a deficient number, since it is larger than the sum of its proper divisors (28377169088).

28996426912 is a wasteful number, since it uses less digits than its factorization.

28996426912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553668 (or 4553660 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The spelling of 28996426912 in words is "twenty-eight billion, nine hundred ninety-six million, four hundred twenty-six thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 199 398 796 1592 3184 6368 4553459 9106918 18213836 36427672 72855344 145710688 906138341 1812276682 3624553364 7249106728 14498213456 28996426912