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114639218879 = 3789159721799
BaseRepresentation
bin110101011000100000…
…1111010100010111111
3101221220101220201021112
41222301001322202333
53334240120001004
6124355312152235
711165603165633
oct1526101724277
9357811821245
10114639218879
11446889399a9
121a27453867b
13aa6c699333
1457973acdc3
152eae535e6e
hex1ab107a8bf

114639218879 has 16 divisors (see below), whose sum is σ = 119140488000. Its totient is φ = 110213478144.

The previous prime is 114639218831. The next prime is 114639218891. The reversal of 114639218879 is 978812936411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-114639218879 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 (114639248879) 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, 5248022 + ... + 5269820.

It is an arithmetic number, because the mean of its divisors is an integer number (7446280500).

Almost surely, 2114639218879 is an apocalyptic number.

114639218879 is a deficient number, since it is larger than the sum of its proper divisors (4501269121).

114639218879 is a wasteful number, since it uses less digits than its factorization.

114639218879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23522.

The product of its digits is 5225472, while the sum is 59.

The spelling of 114639218879 in words is "one hundred fourteen billion, six hundred thirty-nine million, two hundred eighteen thousand, eight hundred seventy-nine".

Divisors: 1 37 89 1597 3293 21799 59089 142133 806563 1940111 5258921 34813003 71784107 1288081111 3098357267 114639218879