Search a number
-
+
28950760479 = 347923938419
BaseRepresentation
bin11010111101100110…
…011000110000011111
32202201121222000100010
4122331212120300133
5433242343313404
621144431134303
72043266255334
oct327546306037
982647860303
1028950760479
1111306a49933
12573b674393
132964ba7a04
141588d6098b
15b4696d189
hex6bd998c1f

28950760479 has 16 divisors (see below), whose sum is σ = 38702361600. Its totient is φ = 19249878336.

The previous prime is 28950760429. The next prime is 28950760547. The reversal of 28950760479 is 97406705982.

It is not a de Polignac number, because 28950760479 - 216 = 28950694943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950760429) 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, 3434532 + ... + 3442950.

It is an arithmetic number, because the mean of its divisors is an integer number (2418897600).

Almost surely, 228950760479 is an apocalyptic number.

28950760479 is a deficient number, since it is larger than the sum of its proper divisors (9751601121).

28950760479 is a wasteful number, since it uses less digits than its factorization.

28950760479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 28950760479 in words is "twenty-eight billion, nine hundred fifty million, seven hundred sixty thousand, four hundred seventy-nine".

Divisors: 1 3 479 1437 2393 7179 8419 25257 1146247 3438741 4032701 12098103 20146667 60440001 9650253493 28950760479