Search a number
-
+
20140311239 = 192936552289
BaseRepresentation
bin10010110000011101…
…001100001011000111
31220222121112211002022
4102300131030023013
5312221404424424
613130300433355
71312044551366
oct226035141307
956877484068
1020140311239
1185a5753a24
123aa0b4885b
131b8c793839
14d90bab7dd
157cd23495e
hex4b074c2c7

20140311239 has 8 divisors (see below), whose sum is σ = 21931374000. Its totient is φ = 18422353152.

The previous prime is 20140311187. The next prime is 20140311283. The reversal of 20140311239 is 93211304102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20140311239 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 (20140311439) 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, 18275594 + ... + 18276695.

It is an arithmetic number, because the mean of its divisors is an integer number (2741421750).

Almost surely, 220140311239 is an apocalyptic number.

20140311239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20140311239 is a deficient number, since it is larger than the sum of its proper divisors (1791062761).

20140311239 is a wasteful number, since it uses less digits than its factorization.

20140311239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36552337.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 20140311239 in words is "twenty billion, one hundred forty million, three hundred eleven thousand, two hundred thirty-nine".

Divisors: 1 19 29 551 36552289 694493491 1060016381 20140311239