Base | Representation |
---|---|
bin | 11000100111000000… |
… | …10100110110011010 |
3 | 1021002202222101221201 |
4 | 30103200110312122 |
5 | 204024302034002 |
6 | 10023010024414 |
7 | 645260235232 |
oct | 142340246632 |
9 | 37082871851 |
10 | 13212143002 |
11 | 566aa01653 |
12 | 268887810a |
13 | 132731b0c6 |
14 | 8d49cccc2 |
15 | 524da9087 |
hex | 313814d9a |
13212143002 has 16 divisors (see below), whose sum is σ = 21055701960. Its totient is φ = 6205889088.
The previous prime is 13212142967. The next prime is 13212143003. The reversal of 13212143002 is 20034121231.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 10712043001 + 2500100001 = 103499^2 + 50001^2 .
It is not an unprimeable number, because it can be changed into a prime (13212143003) 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, 3076173 + ... + 3080464.
Almost surely, 213212143002 is an apocalyptic number.
13212143002 is a deficient number, since it is larger than the sum of its proper divisors (7843558958).
13212143002 is a wasteful number, since it uses less digits than its factorization.
13212143002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6156705.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 13212143002 its reverse (20034121231), we get a palindrome (33246264233).
The spelling of 13212143002 in words is "thirteen billion, two hundred twelve million, one hundred forty-three thousand, two".
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