Base | Representation |
---|---|
bin | 10010101010100111… |
… | …100011000000100111 |
3 | 1220201210020112020202 |
4 | 102222213203000213 |
5 | 312021321103134 |
6 | 13112441221115 |
7 | 1306445162645 |
oct | 225247430047 |
9 | 56653215222 |
10 | 20042362919 |
11 | 85554339a7 |
12 | 3a7419179b |
13 | 1b753bab57 |
14 | d81b92195 |
15 | 7c4837d7e |
hex | 4aa9e3027 |
20042362919 has 8 divisors (see below), whose sum is σ = 20133124128. Its totient is φ = 19951787520.
The previous prime is 20042362913. The next prime is 20042362969. The reversal of 20042362919 is 91926324002.
It is a happy number.
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 20042362919 - 24 = 20042362903 is a prime.
It is a super-2 number, since 2×200423629192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20042362913) 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, 172079 + ... + 263999.
It is an arithmetic number, because the mean of its divisors is an integer number (2516640516).
Almost surely, 220042362919 is an apocalyptic number.
20042362919 is a deficient number, since it is larger than the sum of its proper divisors (90761209).
20042362919 is an equidigital number, since it uses as much as digits as its factorization.
20042362919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92905.
The product of its (nonzero) digits is 46656, while the sum is 38.
The spelling of 20042362919 in words is "twenty billion, forty-two million, three hundred sixty-two thousand, nine hundred nineteen".
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