Base | Representation |
---|---|
bin | 10010111100011100… |
… | …000001010111001001 |
3 | 1221111121210200220111 |
4 | 102330130001113021 |
5 | 313124340101101 |
6 | 13202241154321 |
7 | 1320035315116 |
oct | 227434012711 |
9 | 57447720814 |
10 | 20341331401 |
11 | 8699173396 |
12 | 3b3832b9a1 |
13 | 1bc2317291 |
14 | dad77790d |
15 | 7e0be1251 |
hex | 4bc7015c9 |
20341331401 has 4 divisors (see below), whose sum is σ = 20362367872. Its totient is φ = 20320294932.
The previous prime is 20341331393. The next prime is 20341331431. The reversal of 20341331401 is 10413314302.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20341331401 - 23 = 20341331393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20341331431) 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, 10516785 + ... + 10518718.
It is an arithmetic number, because the mean of its divisors is an integer number (5090591968).
Almost surely, 220341331401 is an apocalyptic number.
It is an amenable number.
20341331401 is a deficient number, since it is larger than the sum of its proper divisors (21036471).
20341331401 is an equidigital number, since it uses as much as digits as its factorization.
20341331401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21036470.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20341331401 its reverse (10413314302), we get a palindrome (30754645703).
The spelling of 20341331401 in words is "twenty billion, three hundred forty-one million, three hundred thirty-one thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •