Base | Representation |
---|---|
bin | 10010111010110000… |
… | …101101010111110001 |
3 | 1221102122212111000221 |
4 | 102322300231113301 |
5 | 313100134400423 |
6 | 13155354213041 |
7 | 1316244231523 |
oct | 227260552761 |
9 | 57378774027 |
10 | 20313200113 |
11 | 86842a9998 |
12 | 3b2aa24181 |
13 | 1bb9547a4b |
14 | da9b33a13 |
15 | 7dd4d5e5d |
hex | 4bac2d5f1 |
20313200113 has 4 divisors (see below), whose sum is σ = 20344792048. Its totient is φ = 20281608180.
The previous prime is 20313200111. The next prime is 20313200123. The reversal of 20313200113 is 31100231302.
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 20313200113 - 21 = 20313200111 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20313200111) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 15795003 + ... + 15796288.
It is an arithmetic number, because the mean of its divisors is an integer number (5086198012).
Almost surely, 220313200113 is an apocalyptic number.
It is an amenable number.
20313200113 is a deficient number, since it is larger than the sum of its proper divisors (31591935).
20313200113 is an equidigital number, since it uses as much as digits as its factorization.
20313200113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31591934.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20313200113 its reverse (31100231302), we get a palindrome (51413431415).
The spelling of 20313200113 in words is "twenty billion, three hundred thirteen million, two hundred thousand, one hundred thirteen".
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