Base | Representation |
---|---|
bin | 10001110010001100001… |
… | …010110011100100111111 |
3 | 11022211111210211011222012 |
4 | 101302030022303210333 |
5 | 130010401310330012 |
6 | 2333234003241435 |
7 | 154203221421611 |
oct | 21621412634477 |
9 | 4284453734865 |
10 | 1222122355007 |
11 | 431332232914 |
12 | 178a3237927b |
13 | 8b3268a97b8 |
14 | 43218638db1 |
15 | 21bcbe37622 |
hex | 11c8c2b393f |
1222122355007 has 2 divisors, whose sum is σ = 1222122355008. Its totient is φ = 1222122355006.
The previous prime is 1222122354977. The next prime is 1222122355061. The reversal of 1222122355007 is 7005532212221.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (7005532212221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1222122355007 - 240 = 122610727231 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222122355607) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061177503 + 611061177504.
It is an arithmetic number, because the mean of its divisors is an integer number (611061177504).
Almost surely, 21222122355007 is an apocalyptic number.
1222122355007 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222122355007 is an equidigital number, since it uses as much as digits as its factorization.
1222122355007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16800, while the sum is 32.
Adding to 1222122355007 its reverse (7005532212221), we get a palindrome (8227654567228).
The spelling of 1222122355007 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, three hundred fifty-five thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •