Base | Representation |
---|---|
bin | 1001001001101010000000… |
… | …10001001000001000000001 |
3 | 2122020201222110200120202101 |
4 | 10210311000101020020001 |
5 | 10114143401000411223 |
6 | 110444213435150401 |
7 | 4144560461623531 |
oct | 444650021101001 |
9 | 78221873616671 |
10 | 20123000013313 |
11 | 64591309a15aa |
12 | 230bb7bba5401 |
13 | b2c78ab886c2 |
14 | 4d7d5bbb14c1 |
15 | 24d6a33d44ad |
hex | 124d40448201 |
20123000013313 has 4 divisors (see below), whose sum is σ = 20127051357120. Its totient is φ = 20118948669508.
The previous prime is 20123000013301. The next prime is 20123000013323. The reversal of 20123000013313 is 31331000032102.
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 20123000013313 - 217 = 20122999882241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20123000013323) 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, 2025664453 + ... + 2025674386.
It is an arithmetic number, because the mean of its divisors is an integer number (5031762839280).
Almost surely, 220123000013313 is an apocalyptic number.
It is an amenable number.
20123000013313 is a deficient number, since it is larger than the sum of its proper divisors (4051343807).
20123000013313 is an equidigital number, since it uses as much as digits as its factorization.
20123000013313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4051343806.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 20123000013313 its reverse (31331000032102), we get a palindrome (51454000045415).
The spelling of 20123000013313 in words is "twenty trillion, one hundred twenty-three billion, thirteen thousand, three hundred thirteen".
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