Base | Representation |
---|---|
bin | 10101100110111010… |
… | …011001111101101101 |
3 | 2012212221120102021212 |
4 | 111212322121331231 |
5 | 340004031020323 |
6 | 14354131004205 |
7 | 1450644562163 |
oct | 254672317555 |
9 | 65787512255 |
10 | 23201423213 |
11 | 9926664731 |
12 | 45b6139665 |
13 | 2259a241b7 |
14 | 11a1561233 |
15 | 90bd4ab78 |
hex | 566e99f6d |
23201423213 has 8 divisors (see below), whose sum is σ = 24213221568. Its totient is φ = 22189878304.
The previous prime is 23201423209. The next prime is 23201423227. The reversal of 23201423213 is 31232410232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23201423213 - 22 = 23201423209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23201423513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137270 + ... + 255432.
It is an arithmetic number, because the mean of its divisors is an integer number (3026652696).
Almost surely, 223201423213 is an apocalyptic number.
23201423213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
23201423213 is a deficient number, since it is larger than the sum of its proper divisors (1011798355).
23201423213 is a wasteful number, since it uses less digits than its factorization.
23201423213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126723.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 23201423213 its reverse (31232410232), we get a palindrome (54433833445).
The spelling of 23201423213 in words is "twenty-three billion, two hundred one million, four hundred twenty-three thousand, two hundred thirteen".
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