Base | Representation |
---|---|
bin | 100111111000111… |
… | …0111011100001111 |
3 | 10110021120102200201 |
4 | 1033301313130033 |
5 | 10220122102312 |
6 | 340452034331 |
7 | 45111553222 |
oct | 11761673417 |
9 | 3407512621 |
10 | 1338472207 |
11 | 627594a86 |
12 | 3143029a7 |
13 | 1843b82b7 |
14 | c9a975b9 |
15 | 7c78e557 |
hex | 4fc7770f |
1338472207 has 2 divisors, whose sum is σ = 1338472208. Its totient is φ = 1338472206.
The previous prime is 1338472181. The next prime is 1338472241. The reversal of 1338472207 is 7022748331.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1338472207 - 227 = 1204254479 is a prime.
It is a super-2 number, since 2×13384722072 = 3583015697822901698, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1338472507) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669236103 + 669236104.
It is an arithmetic number, because the mean of its divisors is an integer number (669236104).
Almost surely, 21338472207 is an apocalyptic number.
1338472207 is a deficient number, since it is larger than the sum of its proper divisors (1).
1338472207 is an equidigital number, since it uses as much as digits as its factorization.
1338472207 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 square root of 1338472207 is about 36585.1364217765. The cubic root of 1338472207 is about 1102.0546191485.
The spelling of 1338472207 in words is "one billion, three hundred thirty-eight million, four hundred seventy-two thousand, two hundred seven".
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