Base | Representation |
---|---|
bin | 100100000100100… |
… | …0001000001100010 |
3 | 10010100102210002100 |
4 | 1020021001001202 |
5 | 4434320314132 |
6 | 320033231230 |
7 | 41664401415 |
oct | 11011010142 |
9 | 3110383070 |
10 | 1210323042 |
11 | 571217685 |
12 | 299402516 |
13 | 16399a0a6 |
14 | b6a59b7c |
15 | 713c937c |
hex | 48241062 |
1210323042 has 12 divisors (see below), whose sum is σ = 2622366630. Its totient is φ = 403441008.
The previous prime is 1210323019. The next prime is 1210323071. The reversal of 1210323042 is 2403230121.
It can be written as a sum of positive squares in only one way, i.e., 607080321 + 603242721 = 24639^2 + 24561^2 .
It is a super-2 number, since 2×12103230422 = 2929763731992267528, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67240169 = 1210323042 / (1 + 2 + 1 + 0 + 3 + 2 + 3 + 0 + 4 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33620067 + ... + 33620102.
Almost surely, 21210323042 is an apocalyptic number.
1210323042 is an abundant number, since it is smaller than the sum of its proper divisors (1412043588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210323042 is a wasteful number, since it uses less digits than its factorization.
1210323042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67240177 (or 67240174 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1210323042 is about 34789.6973542456. The cubic root of 1210323042 is about 1065.6970587082.
Adding to 1210323042 its reverse (2403230121), we get a palindrome (3613553163).
It can be divided in two parts, 121032 and 3042, that multiplied together give a square (368179344 = 191882).
The spelling of 1210323042 in words is "one billion, two hundred ten million, three hundred twenty-three thousand, forty-two".
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