Base | Representation |
---|---|
bin | 111100011100111… |
… | …010001010010101 |
3 | 2121200102021020120 |
4 | 330130322022111 |
5 | 4034114224341 |
6 | 244350022153 |
7 | 34063440012 |
oct | 7434721225 |
9 | 2550367216 |
10 | 1014211221 |
11 | 48054a9a1 |
12 | 2437a7959 |
13 | 1321747aa |
14 | 989aa709 |
15 | 5e08c066 |
hex | 3c73a295 |
1014211221 has 8 divisors (see below), whose sum is σ = 1395903744. Its totient is φ = 654329760.
The previous prime is 1014211169. The next prime is 1014211249. The reversal of 1014211221 is 1221124101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1014211221 - 215 = 1014178453 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1014211221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1014211271) 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, 5452656 + ... + 5452841.
It is an arithmetic number, because the mean of its divisors is an integer number (174487968).
Almost surely, 21014211221 is an apocalyptic number.
It is an amenable number.
1014211221 is a deficient number, since it is larger than the sum of its proper divisors (381692523).
1014211221 is a wasteful number, since it uses less digits than its factorization.
1014211221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10905531.
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 1014211221 is about 31846.6830454916. The cubic root of 1014211221 is about 1004.7148093041.
Adding to 1014211221 its reverse (1221124101), we get a palindrome (2235335322).
The spelling of 1014211221 in words is "one billion, fourteen million, two hundred eleven thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •