Base | Representation |
---|---|
bin | 100011101110101001… |
… | …001001111001000101 |
3 | 10200000121200221021211 |
4 | 203232221021321011 |
5 | 1112032024113242 |
6 | 25342435011421 |
7 | 2525453256004 |
oct | 435651117105 |
9 | 120017627254 |
10 | 38363504197 |
11 | 152a721a577 |
12 | 7527a39b71 |
13 | 380500bc55 |
14 | 1bdd0d6c3b |
15 | ee7ec9317 |
hex | 8eea49e45 |
38363504197 has 2 divisors, whose sum is σ = 38363504198. Its totient is φ = 38363504196.
The previous prime is 38363504191. The next prime is 38363504243. The reversal of 38363504197 is 79140536383.
38363504197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 34995559041 + 3367945156 = 187071^2 + 58034^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38363504197 is a prime.
It is a super-2 number, since 2×383635041972 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 38363504197.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38363504191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19181752098 + 19181752099.
It is an arithmetic number, because the mean of its divisors is an integer number (19181752099).
Almost surely, 238363504197 is an apocalyptic number.
It is an amenable number.
38363504197 is a deficient number, since it is larger than the sum of its proper divisors (1).
38363504197 is an equidigital number, since it uses as much as digits as its factorization.
38363504197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1632960, while the sum is 49.
The spelling of 38363504197 in words is "thirty-eight billion, three hundred sixty-three million, five hundred four thousand, one hundred ninety-seven".
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