Search a number
-
+
28716901368 = 2331196537557
BaseRepresentation
bin11010101111101010…
…010010001111111000
32202010022220201221120
4122233222102033320
5432303011320433
621105314505240
72034426430341
oct325752221770
982108821846
1028716901368
11111a6a40041
125695295220
1329285c703c
141565c870c8
15b311767b3
hex6afa923f8

28716901368 has 16 divisors (see below), whose sum is σ = 71792253480. Its totient is φ = 9572300448.

The previous prime is 28716901351. The next prime is 28716901439. The reversal of 28716901368 is 86310961782.

It is a self number, because there is not a number n which added to its sum of digits gives 28716901368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598268755 + ... + 598268802.

Almost surely, 228716901368 is an apocalyptic number.

It is an amenable number.

28716901368 is an abundant number, since it is smaller than the sum of its proper divisors (43075352112).

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

28716901368 is a wasteful number, since it uses less digits than its factorization.

28716901368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196537566 (or 1196537562 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 28716901368 in words is "twenty-eight billion, seven hundred sixteen million, nine hundred one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 1196537557 2393075114 3589612671 4786150228 7179225342 9572300456 14358450684 28716901368