Base | Representation |
---|---|
bin | 10011100111100101011… |
… | …100000101110010111001 |
3 | 11202212212120102210111001 |
4 | 103213211130011302321 |
5 | 134042030033004011 |
6 | 2511202002005001 |
7 | 166255003566334 |
oct | 23474534056271 |
9 | 4685776383431 |
10 | 1348174109881 |
11 | 47a837157a45 |
12 | 199350946761 |
13 | 9a1947b09c1 |
14 | 493755c361b |
15 | 2510834a7c1 |
hex | 139e5705cb9 |
1348174109881 has 27 divisors (see below), whose sum is σ = 1487978648751. Its totient is φ = 1221226579584.
The previous prime is 1348174109869. The next prime is 1348174109897. The reversal of 1348174109881 is 1889014718431.
It is a happy number.
The square root of 1348174109881 is 1161109.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 878653143225 + 469520966656 = 937365^2 + 685216^2 .
It is not a de Polignac number, because 1348174109881 - 213 = 1348174101689 is a prime.
It is a super-2 number, since 2×13481741098812 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1348174109081) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 507403305 + ... + 507405961.
Almost surely, 21348174109881 is an apocalyptic number.
1348174109881 is the 1161109-th square number.
1348174109881 is the 580555-th centered octagonal number.
It is an amenable number.
1348174109881 is a deficient number, since it is larger than the sum of its proper divisors (139804538870).
1348174109881 is an frugal number, since it uses more digits than its factorization.
1348174109881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5398 (or 2699 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 55.
The spelling of 1348174109881 in words is "one trillion, three hundred forty-eight billion, one hundred seventy-four million, one hundred nine thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •