Search a number
-
+
34218245665 = 5431136913999
BaseRepresentation
bin11111110111100100…
…001111111000100001
310021022201122222121001
4133313210033320201
51030034332330130
623415235432001
72320650201112
oct376744177041
9107281588531
1034218245665
111356a34247a
12676b755601
1332c428b856
141928770209
15d5410e6ca
hex7f790fe21

34218245665 has 16 divisors (see below), whose sum is σ = 42023520000. Its totient is φ = 26733716352.

The previous prime is 34218245647. The next prime is 34218245671. The reversal of 34218245665 is 56654281243.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34218245665 - 29 = 34218245153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437336 + ... + 2451334.

It is an arithmetic number, because the mean of its divisors is an integer number (2626470000).

Almost surely, 234218245665 is an apocalyptic number.

It is an amenable number.

34218245665 is a deficient number, since it is larger than the sum of its proper divisors (7805274335).

34218245665 is a wasteful number, since it uses less digits than its factorization.

34218245665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25416.

The product of its digits is 1382400, while the sum is 46.

The spelling of 34218245665 in words is "thirty-four billion, two hundred eighteen million, two hundred forty-five thousand, six hundred sixty-five".

Divisors: 1 5 43 215 11369 13999 56845 69995 488867 601957 2444335 3009785 159154631 795773155 6843649133 34218245665