Base | Representation |
---|---|
bin | 100101110110011… |
… | …1011010110100100 |
3 | 10021111212011122102 |
4 | 1023230323112210 |
5 | 10100114144034 |
6 | 330005551232 |
7 | 43321256015 |
oct | 11354732644 |
9 | 3244764572 |
10 | 1270068644 |
11 | 5a1a14409 |
12 | 2b5415518 |
13 | 173188310 |
14 | c096d00c |
15 | 7677b97e |
hex | 4bb3b5a4 |
1270068644 has 24 divisors (see below), whose sum is σ = 2451975288. Its totient is φ = 571887360.
The previous prime is 1270068629. The next prime is 1270068677. The reversal of 1270068644 is 4468600721.
It can be written as a sum of positive squares in 4 ways, for example, as 61811044 + 1208257600 = 7862^2 + 34760^2 .
It is a super-2 number, since 2×12700686442 = 3226148720943997472, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1270068598 and 1270068607.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295727 + ... + 299990.
It is an arithmetic number, because the mean of its divisors is an integer number (102165637).
Almost surely, 21270068644 is an apocalyptic number.
It is an amenable number.
1270068644 is a deficient number, since it is larger than the sum of its proper divisors (1181906644).
1270068644 is a wasteful number, since it uses less digits than its factorization.
1270068644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595775 (or 595773 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 1270068644 is about 35638.0224479417. The cubic root of 1270068644 is about 1082.9516434499.
The spelling of 1270068644 in words is "one billion, two hundred seventy million, sixty-eight thousand, six hundred forty-four".
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