Base | Representation |
---|---|
bin | 10101110100110010… |
… | …111000000100110100 |
3 | 2020111011211022220201 |
4 | 111310302320010310 |
5 | 340443142033140 |
6 | 14433211010244 |
7 | 1456503344014 |
oct | 256462700464 |
9 | 66434738821 |
10 | 23434330420 |
11 | 9a36083326 |
12 | 4660139984 |
13 | 2296060807 |
14 | 11c446bc44 |
15 | 92250549a |
hex | 574cb8134 |
23434330420 has 12 divisors (see below), whose sum is σ = 49212093924. Its totient is φ = 9373732160.
The previous prime is 23434330399. The next prime is 23434330421. The reversal of 23434330420 is 2403343432.
It can be written as a sum of positive squares in 2 ways, for example, as 10264931856 + 13169398564 = 101316^2 + 114758^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23434330421) 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, 585858241 + ... + 585858280.
It is an arithmetic number, because the mean of its divisors is an integer number (4101007827).
Almost surely, 223434330420 is an apocalyptic number.
23434330420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23434330420 is an abundant number, since it is smaller than the sum of its proper divisors (25777763504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23434330420 is a wasteful number, since it uses less digits than its factorization.
23434330420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1171716530 (or 1171716528 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 28.
Adding to 23434330420 its reverse (2403343432), we get a palindrome (25837673852).
The spelling of 23434330420 in words is "twenty-three billion, four hundred thirty-four million, three hundred thirty thousand, four hundred twenty".
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