Base | Representation |
---|---|
bin | 101001010011110… |
… | …1110010101101111 |
3 | 10120121021110122201 |
4 | 1102213232111233 |
5 | 10314323121020 |
6 | 345313522331 |
7 | 46231016314 |
oct | 12247562557 |
9 | 3517243581 |
10 | 1386145135 |
11 | 6514963a1 |
12 | 3282733a7 |
13 | 19123a42b |
14 | d2146d0b |
15 | 81a59a0a |
hex | 529ee56f |
1386145135 has 4 divisors (see below), whose sum is σ = 1663374168. Its totient is φ = 1108916104.
The previous prime is 1386145127. The next prime is 1386145153. The reversal of 1386145135 is 5315416831.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1386145135 - 23 = 1386145127 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1386145094 and 1386145103.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138614509 + ... + 138614518.
It is an arithmetic number, because the mean of its divisors is an integer number (415843542).
Almost surely, 21386145135 is an apocalyptic number.
1386145135 is a deficient number, since it is larger than the sum of its proper divisors (277229033).
1386145135 is an equidigital number, since it uses as much as digits as its factorization.
1386145135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277229032.
The product of its digits is 43200, while the sum is 37.
The square root of 1386145135 is about 37230.9701055452. The cubic root of 1386145135 is about 1114.9863954315.
It can be divided in two parts, 13861 and 45135, that added together give a triangular number (58996 = T343).
The spelling of 1386145135 in words is "one billion, three hundred eighty-six million, one hundred forty-five thousand, one hundred thirty-five".
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