Base | Representation |
---|---|
bin | 10010101110100001… |
… | …111100011100000111 |
3 | 1220220100202101121210 |
4 | 102232201330130013 |
5 | 312140122044304 |
6 | 13123144142503 |
7 | 1311203130453 |
oct | 225641743407 |
9 | 56810671553 |
10 | 20108003079 |
11 | 858949736a |
12 | 3a92167a33 |
13 | 1b85b91098 |
14 | d8a79b663 |
15 | 7ca4a1c89 |
hex | 4ae87c707 |
20108003079 has 4 divisors (see below), whose sum is σ = 26810670776. Its totient is φ = 13405335384.
The previous prime is 20108003063. The next prime is 20108003119. The reversal of 20108003079 is 97030080102.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20108003079 - 24 = 20108003063 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 (20108003479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351333844 + ... + 3351333849.
It is an arithmetic number, because the mean of its divisors is an integer number (6702667694).
Almost surely, 220108003079 is an apocalyptic number.
20108003079 is a deficient number, since it is larger than the sum of its proper divisors (6702667697).
20108003079 is an equidigital number, since it uses as much as digits as its factorization.
20108003079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6702667696.
The product of its (nonzero) digits is 3024, while the sum is 30.
The spelling of 20108003079 in words is "twenty billion, one hundred eight million, three thousand, seventy-nine".
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