Base | Representation |
---|---|
bin | 10001011110100111110… |
… | …011001111001011111111 |
3 | 11020211021111102221200001 |
4 | 101132213303033023333 |
5 | 124134333420232312 |
6 | 2315441031215131 |
7 | 152530436626042 |
oct | 21364763171377 |
9 | 4224244387601 |
10 | 1201111102207 |
11 | 42342a9a4685 |
12 | 1749498174a7 |
13 | 89358854b33 |
14 | 421c3d16c59 |
15 | 2139c516057 |
hex | 117a7ccf2ff |
1201111102207 has 2 divisors, whose sum is σ = 1201111102208. Its totient is φ = 1201111102206.
The previous prime is 1201111102141. The next prime is 1201111102271. The reversal of 1201111102207 is 7022011111021.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1201111102207 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1201111102277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600555551103 + 600555551104.
It is an arithmetic number, because the mean of its divisors is an integer number (600555551104).
Almost surely, 21201111102207 is an apocalyptic number.
1201111102207 is a deficient number, since it is larger than the sum of its proper divisors (1).
1201111102207 is an equidigital number, since it uses as much as digits as its factorization.
1201111102207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 19.
Adding to 1201111102207 its reverse (7022011111021), we get a palindrome (8223122213228).
The spelling of 1201111102207 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, two hundred seven".
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