Base | Representation |
---|---|
bin | 101001001000101… |
… | …0011110000101101 |
3 | 10120012012221020211 |
4 | 1102101103300231 |
5 | 10311322102401 |
6 | 344543542421 |
7 | 46130044111 |
oct | 12221236055 |
9 | 3505187224 |
10 | 1380269101 |
11 | 649142672 |
12 | 3262baa11 |
13 | 18cc609a3 |
14 | d1457741 |
15 | 81298951 |
hex | 52453c2d |
1380269101 has 2 divisors, whose sum is σ = 1380269102. Its totient is φ = 1380269100.
The previous prime is 1380269047. The next prime is 1380269153. The reversal of 1380269101 is 1019620831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1380048201 + 220900 = 37149^2 + 470^2 .
It is a cyclic number.
It is not a de Polignac number, because 1380269101 - 217 = 1380138029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1380269161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690134550 + 690134551.
It is an arithmetic number, because the mean of its divisors is an integer number (690134551).
Almost surely, 21380269101 is an apocalyptic number.
It is an amenable number.
1380269101 is a deficient number, since it is larger than the sum of its proper divisors (1).
1380269101 is an equidigital number, since it uses as much as digits as its factorization.
1380269101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 31.
The square root of 1380269101 is about 37151.9730431642. The cubic root of 1380269101 is about 1113.4086439448.
Adding to 1380269101 its reverse (1019620831), we get a palindrome (2399889932).
The spelling of 1380269101 in words is "one billion, three hundred eighty million, two hundred sixty-nine thousand, one hundred one".
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