Base | Representation |
---|---|
bin | 10101110010111111… |
… | …100110101000100100 |
3 | 2020102001222002121112 |
4 | 111302333212220210 |
5 | 340412423044140 |
6 | 14430211204152 |
7 | 1455655446623 |
oct | 256277465044 |
9 | 66361862545 |
10 | 23404112420 |
11 | 9a20014077 |
12 | 4651ba6658 |
13 | 228ca10540 |
14 | 11c04436ba |
15 | 91ea36c65 |
hex | 572fe6a24 |
23404112420 has 96 divisors (see below), whose sum is σ = 53580441600. Its totient is φ = 8535882240.
The previous prime is 23404112359. The next prime is 23404112443. The reversal of 23404112420 is 2421140432.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7397759 + ... + 7400921.
It is an arithmetic number, because the mean of its divisors is an integer number (558129600).
Almost surely, 223404112420 is an apocalyptic number.
23404112420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23404112420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26790220800).
23404112420 is an abundant number, since it is smaller than the sum of its proper divisors (30176329180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23404112420 is a wasteful number, since it uses less digits than its factorization.
23404112420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3525 (or 3523 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 23404112420 its reverse (2421140432), we get a palindrome (25825252852).
The spelling of 23404112420 in words is "twenty-three billion, four hundred four million, one hundred twelve thousand, four hundred twenty".
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