Base | Representation |
---|---|
bin | 1011111010111111… |
… | …0111101111011001 |
3 | 22021000210000201011 |
4 | 2332233313233121 |
5 | 23023224020441 |
6 | 1245315453521 |
7 | 142206264550 |
oct | 27657675731 |
9 | 8230700634 |
10 | 3200220121 |
11 | 13a249381a |
12 | 7538b72a1 |
13 | 3c0017a97 |
14 | 225044d97 |
15 | 13ae43581 |
hex | bebf7bd9 |
3200220121 has 8 divisors (see below), whose sum is σ = 3719384640. Its totient is φ = 2696553168.
The previous prime is 3200220113. The next prime is 3200220139. The reversal of 3200220121 is 1210220023.
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 3200220121 - 23 = 3200220113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3200220721) 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, 3873946 + ... + 3874771.
It is an arithmetic number, because the mean of its divisors is an integer number (464923080).
Almost surely, 23200220121 is an apocalyptic number.
It is an amenable number.
3200220121 is a deficient number, since it is larger than the sum of its proper divisors (519164519).
3200220121 is an equidigital number, since it uses as much as digits as its factorization.
3200220121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7748783.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 3200220121 is about 56570.4880746136. The cubic root of 3200220121 is about 1473.6463875438.
Adding to 3200220121 its reverse (1210220023), we get a palindrome (4410440144).
The spelling of 3200220121 in words is "three billion, two hundred million, two hundred twenty thousand, one hundred twenty-one".
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