Search a number
-
+
20116713503105 = 510206139420961
BaseRepresentation
bin1001001001011110010011…
…00011111111100110000001
32122020010202100111202221222
410210233021203333212001
510114043012124044410
6110441253545324425
74144245625311452
oct444571143774601
978203670452858
1020116713503105
1164564a537041a
12230a906796715
13b2bcc8635c8b
144d7922d01129
1524d436554955
hex124bc98ff981

20116713503105 has 8 divisors (see below), whose sum is σ = 24140293341864. Its totient is φ = 16093212710400.

The previous prime is 20116713503077. The next prime is 20116713503177. The reversal of 20116713503105 is 50130531761102.

It can be written as a sum of positive squares in 4 ways, for example, as 6760670816641 + 13356042686464 = 2600129^2 + 3654592^2 .

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

It is not a de Polignac number, because 20116713503105 - 26 = 20116713503041 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19200176 + ... + 20220785.

It is an arithmetic number, because the mean of its divisors is an integer number (3017536667733).

Almost surely, 220116713503105 is an apocalyptic number.

It is an amenable number.

20116713503105 is a deficient number, since it is larger than the sum of its proper divisors (4023579838759).

20116713503105 is a wasteful number, since it uses less digits than its factorization.

20116713503105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39523027.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 20116713503105 in words is "twenty trillion, one hundred sixteen billion, seven hundred thirteen million, five hundred three thousand, one hundred five".

Divisors: 1 5 102061 510305 39420961 197104805 4023342700621 20116713503105