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3681630115 = 54317123861
BaseRepresentation
bin1101101101110001…
…0011011110100011
3100111120122012001221
43123130103132203
530014444130430
61405154035511
7160143224332
oct33334233643
910446565057
103681630115
11161a203219
12868b78b97
13468991477
1426cd5bd19
1516833857a
hexdb7137a3

3681630115 has 8 divisors (see below), whose sum is σ = 4520699568. Its totient is φ = 2876808480.

The previous prime is 3681630067. The next prime is 3681630221. The reversal of 3681630115 is 5110361863.

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

It is a de Polignac number, because none of the positive numbers 2k-3681630115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8561716 + ... + 8562145.

It is an arithmetic number, because the mean of its divisors is an integer number (565087446).

Almost surely, 23681630115 is an apocalyptic number.

3681630115 is a deficient number, since it is larger than the sum of its proper divisors (839069453).

3681630115 is a wasteful number, since it uses less digits than its factorization.

3681630115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123909.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 3681630115 is about 60676.4378898432. The cubic root of 3681630115 is about 1544.1164556123.

Adding to 3681630115 its reverse (5110361863), we get a palindrome (8791991978).

The spelling of 3681630115 in words is "three billion, six hundred eighty-one million, six hundred thirty thousand, one hundred fifteen".

Divisors: 1 5 43 215 17123861 85619305 736326023 3681630115