Base | Representation |
---|---|
bin | 1011111101111001… |
… | …1010110100010101 |
3 | 22021212201222010012 |
4 | 2333132122310111 |
5 | 23034340004141 |
6 | 1250433210005 |
7 | 142415066015 |
oct | 27736326425 |
9 | 8255658105 |
10 | 3212422421 |
11 | 13a936856a |
12 | 757a00905 |
13 | 3c26cab90 |
14 | 2268ddc45 |
15 | 13c053ceb |
hex | bf79ad15 |
3212422421 has 8 divisors (see below), whose sum is σ = 3490148760. Its totient is φ = 2939069952.
The previous prime is 3212422417. The next prime is 3212422439. The reversal of 3212422421 is 1242242123.
It can be written as a sum of positive squares in 4 ways, for example, as 391644100 + 2820778321 = 19790^2 + 53111^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3212422421 - 22 = 3212422417 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3212422441) 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, 1091936 + ... + 1094873.
It is an arithmetic number, because the mean of its divisors is an integer number (436268595).
Almost surely, 23212422421 is an apocalyptic number.
It is an amenable number.
3212422421 is a deficient number, since it is larger than the sum of its proper divisors (277726339).
3212422421 is a wasteful number, since it uses less digits than its factorization.
3212422421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2186935.
The product of its digits is 1536, while the sum is 23.
The square root of 3212422421 is about 56678.2358670416. The cubic root of 3212422421 is about 1475.5169952129.
Adding to 3212422421 its reverse (1242242123), we get a palindrome (4454664544).
It can be divided in two parts, 32124 and 22421, that added together give a palindrome (54545).
The spelling of 3212422421 in words is "three billion, two hundred twelve million, four hundred twenty-two thousand, four hundred twenty-one".
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