Search a number
-
+
21714289159 = 173163403829
BaseRepresentation
bin10100001110010001…
…011100001000000111
32002001022021011212211
4110032101130020013
5323432324223114
613550404324251
71366046261323
oct241621341007
962038234784
1021714289159
119233171922
1242600a3687
1320808b8114
14109dc4a983
158714e36c4
hex50e45c207

21714289159 has 8 divisors (see below), whose sum is σ = 22998926160. Its totient is φ = 20430466176.

The previous prime is 21714289043. The next prime is 21714289229. The reversal of 21714289159 is 95198241712.

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

It is not a de Polignac number, because 21714289159 - 27 = 21714289031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714281159) 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, 148144 + ... + 255685.

It is an arithmetic number, because the mean of its divisors is an integer number (2874865770).

Almost surely, 221714289159 is an apocalyptic number.

21714289159 is a deficient number, since it is larger than the sum of its proper divisors (1284637001).

21714289159 is a wasteful number, since it uses less digits than its factorization.

21714289159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407009.

The product of its digits is 362880, while the sum is 49.

The spelling of 21714289159 in words is "twenty-one billion, seven hundred fourteen million, two hundred eighty-nine thousand, one hundred fifty-nine".

Divisors: 1 17 3163 53771 403829 6865093 1277311127 21714289159