Base | Representation |
---|---|
bin | 111111011111001… |
… | …110001111001001 |
3 | 2202020021012021020 |
4 | 333133032033021 |
5 | 4140134240020 |
6 | 253405503053 |
7 | 35252422536 |
oct | 7737161711 |
9 | 2666235236 |
10 | 1065149385 |
11 | 4a7281553 |
12 | 258871a89 |
13 | 13c89ac11 |
14 | a1669d8d |
15 | 6379ec40 |
hex | 3f7ce3c9 |
1065149385 has 8 divisors (see below), whose sum is σ = 1704239040. Its totient is φ = 568079664.
The previous prime is 1065149383. The next prime is 1065149411. The reversal of 1065149385 is 5839415601.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1065149385 - 21 = 1065149383 is a prime.
It is a super-2 number, since 2×10651493852 = 2269086424731756450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1065149383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35504965 + ... + 35504994.
It is an arithmetic number, because the mean of its divisors is an integer number (213029880).
Almost surely, 21065149385 is an apocalyptic number.
1065149385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1065149385 is a deficient number, since it is larger than the sum of its proper divisors (639089655).
1065149385 is an equidigital number, since it uses as much as digits as its factorization.
1065149385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71009967.
The product of its (nonzero) digits is 129600, while the sum is 42.
The square root of 1065149385 is about 32636.6264341154. The cubic root of 1065149385 is about 1021.2612186134.
The spelling of 1065149385 in words is "one billion, sixty-five million, one hundred forty-nine thousand, three hundred eighty-five".
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