Base | Representation |
---|---|
bin | 101000110011011… |
… | …1000001101110001 |
3 | 10112102021211112110 |
4 | 1101212320031301 |
5 | 10301000134400 |
6 | 343505315533 |
7 | 45633356646 |
oct | 12146701561 |
9 | 3472254473 |
10 | 1369146225 |
11 | 642935907 |
12 | 322635ba9 |
13 | 18a867cc5 |
14 | cdb9ddcd |
15 | 802ece50 |
hex | 519b8371 |
1369146225 has 12 divisors (see below), whose sum is σ = 2263655216. Its totient is φ = 730211280.
The previous prime is 1369146223. The next prime is 1369146227. The reversal of 1369146225 is 5226419631.
It is an interprime number because it is at equal distance from previous prime (1369146223) and next prime (1369146227).
It is not a de Polignac number, because 1369146225 - 21 = 1369146223 is a prime.
It is a super-2 number, since 2×13691462252 = 3749122770863501250, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1369146223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9127567 + ... + 9127716.
Almost surely, 21369146225 is an apocalyptic number.
1369146225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1369146225 is a deficient number, since it is larger than the sum of its proper divisors (894508991).
1369146225 is a wasteful number, since it uses less digits than its factorization.
1369146225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18255296 (or 18255291 counting only the distinct ones).
The product of its digits is 77760, while the sum is 39.
The square root of 1369146225 is about 37001.9759607511. The cubic root of 1369146225 is about 1110.4097789037.
The spelling of 1369146225 in words is "one billion, three hundred sixty-nine million, one hundred forty-six thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •