Base | Representation |
---|---|
bin | 100111000110110… |
… | …1100100000001010 |
3 | 10101110011022211120 |
4 | 1032031230200022 |
5 | 10141411304002 |
6 | 334113140110 |
7 | 44342424612 |
oct | 11615544012 |
9 | 3343138746 |
10 | 1312213002 |
11 | 61378a061 |
12 | 30755a636 |
13 | 17bb22bc9 |
14 | c63bda42 |
15 | 7a303cbc |
hex | 4e36c80a |
1312213002 has 8 divisors (see below), whose sum is σ = 2624426016. Its totient is φ = 437404332.
The previous prime is 1312212977. The next prime is 1312213013. The reversal of 1312213002 is 2003122131.
It is a sphenic number, since it is the product of 3 distinct primes.
1312213002 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109351078 + ... + 109351089.
It is an arithmetic number, because the mean of its divisors is an integer number (328053252).
Almost surely, 21312213002 is an apocalyptic number.
1312213002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312213002 is a wasteful number, since it uses less digits than its factorization.
1312213002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218702172.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1312213002 is about 36224.4807002116. The cubic root of 1312213002 is about 1094.7999751396.
Adding to 1312213002 its reverse (2003122131), we get a palindrome (3315335133).
The spelling of 1312213002 in words is "one billion, three hundred twelve million, two hundred thirteen thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •