Search a number
-
+
28716044963 = 293892545523
BaseRepresentation
bin11010101111100111…
…000001001010100011
32202010021022020011212
4122233213001022203
5432302301414323
621105244300335
72034416232464
oct325747011243
982107266155
1028716044963
11111a6505671
125694b416ab
1329283872a8
141565b02d6b
15b31057b78
hex6af9c12a3

28716044963 has 8 divisors (see below), whose sum is σ = 29782630800. Its totient is φ = 27654551008.

The previous prime is 28716044947. The next prime is 28716044971. The reversal of 28716044963 is 36944061782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28716044963 - 24 = 28716044947 is a prime.

It is a super-2 number, since 2×287160449632 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28716044923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261481 + ... + 1284042.

It is an arithmetic number, because the mean of its divisors is an integer number (3722828850).

Almost surely, 228716044963 is an apocalyptic number.

28716044963 is a deficient number, since it is larger than the sum of its proper divisors (1066585837).

28716044963 is a wasteful number, since it uses less digits than its factorization.

28716044963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545941.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 28716044963 in words is "twenty-eight billion, seven hundred sixteen million, forty-four thousand, nine hundred sixty-three".

Divisors: 1 29 389 11281 2545523 73820167 990208447 28716044963