Base | Representation |
---|---|
bin | 10001011110100001111… |
… | …001111101101011010101 |
3 | 11020211000121100022100201 |
4 | 101132201321331223111 |
5 | 124134133110432242 |
6 | 2315423135340501 |
7 | 152525126164603 |
oct | 21364171755325 |
9 | 4224017308321 |
10 | 1201012202197 |
11 | 42338a094635 |
12 | 174920681731 |
13 | 89341207c12 |
14 | 421b4b30873 |
15 | 213939cc4b7 |
hex | 117a1e7dad5 |
1201012202197 has 2 divisors, whose sum is σ = 1201012202198. Its totient is φ = 1201012202196.
The previous prime is 1201012202153. The next prime is 1201012202227. The reversal of 1201012202197 is 7912022101021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1193772574801 + 7239627396 = 1092599^2 + 85086^2 .
It is a cyclic number.
It is not a de Polignac number, because 1201012202197 - 235 = 1166652463829 is a prime.
It is a super-2 number, since 2×12010122021972 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1201012202107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506101098 + 600506101099.
It is an arithmetic number, because the mean of its divisors is an integer number (600506101099).
Almost surely, 21201012202197 is an apocalyptic number.
It is an amenable number.
1201012202197 is a deficient number, since it is larger than the sum of its proper divisors (1).
1201012202197 is an equidigital number, since it uses as much as digits as its factorization.
1201012202197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 28.
The spelling of 1201012202197 in words is "one trillion, two hundred one billion, twelve million, two hundred two thousand, one hundred ninety-seven".
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