Base | Representation |
---|---|
bin | 11000101000111011… |
… | …10110100110100101 |
3 | 1021010220022211211101 |
4 | 30110131312212211 |
5 | 204042414201122 |
6 | 10024343440101 |
7 | 645544312531 |
oct | 142435664645 |
9 | 37126284741 |
10 | 13228272037 |
11 | 5679018632 |
12 | 2692156031 |
13 | 132a777606 |
14 | 8d6bcabc1 |
15 | 5264e3027 |
hex | 3147769a5 |
13228272037 has 2 divisors, whose sum is σ = 13228272038. Its totient is φ = 13228272036.
The previous prime is 13228271977. The next prime is 13228272041. The reversal of 13228272037 is 73027282231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6866773956 + 6361498081 = 82866^2 + 79759^2 .
It is a cyclic number.
It is not a de Polignac number, because 13228272037 - 27 = 13228271909 is a prime.
It is a super-2 number, since 2×132282720372 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13228271987 and 13228272005.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13228272047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614136018 + 6614136019.
It is an arithmetic number, because the mean of its divisors is an integer number (6614136019).
Almost surely, 213228272037 is an apocalyptic number.
It is an amenable number.
13228272037 is a deficient number, since it is larger than the sum of its proper divisors (1).
13228272037 is an equidigital number, since it uses as much as digits as its factorization.
13228272037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56448, while the sum is 37.
The spelling of 13228272037 in words is "thirteen billion, two hundred twenty-eight million, two hundred seventy-two thousand, thirty-seven".
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