Base | Representation |
---|---|
bin | 101010000101100… |
… | …1100100100011101 |
3 | 10122102100021022101 |
4 | 1110023030210131 |
5 | 10343012034323 |
6 | 352044445101 |
7 | 46665453004 |
oct | 12413144435 |
9 | 3572307271 |
10 | 1412221213 |
11 | 665186777 |
12 | 334b49791 |
13 | 19676a370 |
14 | d57b3c3b |
15 | 83eaadad |
hex | 542cc91d |
1412221213 has 12 divisors (see below), whose sum is σ = 1571509884. Its totient is φ = 1261526400.
The previous prime is 1412221201. The next prime is 1412221241. The reversal of 1412221213 is 3121222141.
It can be written as a sum of positive squares in 2 ways, for example, as 559464409 + 852756804 = 23653^2 + 29202^2 .
It is not a de Polignac number, because 1412221213 - 213 = 1412213021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1412222213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44028 + ... + 69013.
It is an arithmetic number, because the mean of its divisors is an integer number (130959157).
Almost surely, 21412221213 is an apocalyptic number.
1412221213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1412221213 is a deficient number, since it is larger than the sum of its proper divisors (159288671).
1412221213 is a wasteful number, since it uses less digits than its factorization.
1412221213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113116 (or 113085 counting only the distinct ones).
The product of its digits is 192, while the sum is 19.
The square root of 1412221213 is about 37579.5318358279. The cubic root of 1412221213 is about 1121.9346910023.
Adding to 1412221213 its reverse (3121222141), we get a palindrome (4533443354).
The spelling of 1412221213 in words is "one billion, four hundred twelve million, two hundred twenty-one thousand, two hundred thirteen".
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