Base | Representation |
---|---|
bin | 10010111010100101… |
… | …011000110000100101 |
3 | 1221102110021200200120 |
4 | 102322211120300211 |
5 | 313043404411401 |
6 | 13155210432153 |
7 | 1316210060445 |
oct | 227245306045 |
9 | 57373250616 |
10 | 20310232101 |
11 | 8682661a95 |
12 | 3b29a32659 |
13 | 1bb8a48b23 |
14 | da95a0125 |
15 | 7dd0eb836 |
hex | 4ba958c25 |
20310232101 has 4 divisors (see below), whose sum is σ = 27080309472. Its totient is φ = 13540154732.
The previous prime is 20310232081. The next prime is 20310232121. The reversal of 20310232101 is 10123201302.
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 an interprime number because it is at equal distance from previous prime (20310232081) and next prime (20310232121).
It is a cyclic number.
It is not a de Polignac number, because 20310232101 - 25 = 20310232069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310232121) 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, 3385038681 + ... + 3385038686.
It is an arithmetic number, because the mean of its divisors is an integer number (6770077368).
Almost surely, 220310232101 is an apocalyptic number.
It is an amenable number.
20310232101 is a deficient number, since it is larger than the sum of its proper divisors (6770077371).
20310232101 is an equidigital number, since it uses as much as digits as its factorization.
20310232101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6770077370.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20310232101 its reverse (10123201302), we get a palindrome (30433433403).
The spelling of 20310232101 in words is "twenty billion, three hundred ten million, two hundred thirty-two thousand, one hundred one".
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