Base | Representation |
---|---|
bin | 100011110011100… |
… | …0001101110011101 |
3 | 10002201200002211120 |
4 | 1013213001232131 |
5 | 4430030204041 |
6 | 315114241153 |
7 | 41525561604 |
oct | 10747015635 |
9 | 3081602746 |
10 | 1201413021 |
11 | 567191426 |
12 | 2964261b9 |
13 | 161b9a6a3 |
14 | b57baa3b |
15 | 70719366 |
hex | 479c1b9d |
1201413021 has 8 divisors (see below), whose sum is σ = 1610734944. Its totient is φ = 796516560.
The previous prime is 1201413019. The next prime is 1201413041. The reversal of 1201413021 is 1203141021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1201413021 - 21 = 1201413019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201413011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105731 + ... + 1106816.
It is an arithmetic number, because the mean of its divisors is an integer number (201341868).
Almost surely, 21201413021 is an apocalyptic number.
It is an amenable number.
1201413021 is a deficient number, since it is larger than the sum of its proper divisors (409321923).
1201413021 is a wasteful number, since it uses less digits than its factorization.
1201413021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2212731.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1201413021 is about 34661.4053523512. The cubic root of 1201413021 is about 1063.0755052628.
Adding to 1201413021 its reverse (1203141021), we get a palindrome (2404554042).
Subtracting 1201413021 from its reverse (1203141021), we obtain a cube (1728000 = 1203).
It can be divided in two parts, 120 and 1413021, that added together give a palindrome (1413141).
The spelling of 1201413021 in words is "one billion, two hundred one million, four hundred thirteen thousand, twenty-one".
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