Base | Representation |
---|---|
bin | 100100000100000… |
… | …0111111111000101 |
3 | 10010022222220121102 |
4 | 1020020013333011 |
5 | 4434240330123 |
6 | 320024225445 |
7 | 41662406321 |
oct | 11010077705 |
9 | 3108886542 |
10 | 1210089413 |
11 | 5710780a5 |
12 | 29930b285 |
13 | 163917950 |
14 | b69d8981 |
15 | 71380028 |
hex | 48207fc5 |
1210089413 has 4 divisors (see below), whose sum is σ = 1303173228. Its totient is φ = 1117005600.
The previous prime is 1210089407. The next prime is 1210089421. The reversal of 1210089413 is 3149800121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 191075329 + 1019014084 = 13823^2 + 31922^2 .
It is a cyclic number.
It is not a de Polignac number, because 1210089413 - 220 = 1209040837 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 (1210089443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46541888 + ... + 46541913.
It is an arithmetic number, because the mean of its divisors is an integer number (325793307).
Almost surely, 21210089413 is an apocalyptic number.
1210089413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1210089413 is a deficient number, since it is larger than the sum of its proper divisors (93083815).
1210089413 is an equidigital number, since it uses as much as digits as its factorization.
1210089413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93083814.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 1210089413 is about 34786.3394596212. The cubic root of 1210089413 is about 1065.6284836939.
Adding to 1210089413 its reverse (3149800121), we get a palindrome (4359889534).
The spelling of 1210089413 in words is "one billion, two hundred ten million, eighty-nine thousand, four hundred thirteen".
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