Base | Representation |
---|---|
bin | 10010010111100101… |
… | …010111101001010111 |
3 | 1212220112100110221210 |
4 | 102113211113221113 |
5 | 310343043244413 |
6 | 13021032512503 |
7 | 1265516642364 |
oct | 222745275127 |
9 | 55815313853 |
10 | 19723024983 |
11 | 8401151652 |
12 | 39a524b733 |
13 | 1b241ac0ac |
14 | d515c746b |
15 | 7a67a93c3 |
hex | 497957a57 |
19723024983 has 4 divisors (see below), whose sum is σ = 26297366648. Its totient is φ = 13148683320.
The previous prime is 19723024933. The next prime is 19723025017. The reversal of 19723024983 is 38942032791.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 19723024983 - 29 = 19723024471 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19723024913) 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, 3287170828 + ... + 3287170833.
It is an arithmetic number, because the mean of its divisors is an integer number (6574341662).
Almost surely, 219723024983 is an apocalyptic number.
19723024983 is a deficient number, since it is larger than the sum of its proper divisors (6574341665).
19723024983 is an equidigital number, since it uses as much as digits as its factorization.
19723024983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6574341664.
The product of its (nonzero) digits is 653184, while the sum is 48.
The spelling of 19723024983 in words is "nineteen billion, seven hundred twenty-three million, twenty-four thousand, nine hundred eighty-three".
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