Base | Representation |
---|---|
bin | 100101110110011… |
… | …1011010110100101 |
3 | 10021111212011122110 |
4 | 1023230323112211 |
5 | 10100114144040 |
6 | 330005551233 |
7 | 43321256016 |
oct | 11354732645 |
9 | 3244764573 |
10 | 1270068645 |
11 | 5a1a1440a |
12 | 2b5415519 |
13 | 173188311 |
14 | c096d00d |
15 | 7677b980 |
hex | 4bb3b5a5 |
1270068645 has 16 divisors (see below), whose sum is σ = 2036835072. Its totient is φ = 675794880.
The previous prime is 1270068629. The next prime is 1270068677. The reversal of 1270068645 is 5468600721.
It is not a de Polignac number, because 1270068645 - 24 = 1270068629 is a prime.
It is a super-2 number, since 2×12700686452 = 3226148726024272050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91762 + ... + 104691.
It is an arithmetic number, because the mean of its divisors is an integer number (127302192).
Almost surely, 21270068645 is an apocalyptic number.
1270068645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1270068645 is a deficient number, since it is larger than the sum of its proper divisors (766766427).
1270068645 is a wasteful number, since it uses less digits than its factorization.
1270068645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196892.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 1270068645 is about 35638.0224619717. The cubic root of 1270068645 is about 1082.9516437341.
The spelling of 1270068645 in words is "one billion, two hundred seventy million, sixty-eight thousand, six hundred forty-five".
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