Base | Representation |
---|---|
bin | 1111001001011110… |
… | …00000001001110110 |
3 | 202222202201111102100 |
4 | 13210233000021312 |
5 | 113123404301232 |
6 | 3422551322530 |
7 | 405350025606 |
oct | 74457001166 |
9 | 22882644370 |
10 | 8132493942 |
11 | 34a3643081 |
12 | 16ab680446 |
13 | 9c7b22ac1 |
14 | 572116c06 |
15 | 328e6cc7c |
hex | 1e4bc0276 |
8132493942 has 48 divisors (see below), whose sum is σ = 18173668032. Its totient is φ = 2626857600.
The previous prime is 8132493931. The next prime is 8132493947. The reversal of 8132493942 is 2493942318.
8132493942 is a `hidden beast` number, since 8 + 13 + 249 + 394 + 2 = 666.
It is a super-2 number, since 2×81324939422 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8132493947) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37858 + ... + 133034.
It is an arithmetic number, because the mean of its divisors is an integer number (378618084).
Almost surely, 28132493942 is an apocalyptic number.
8132493942 is an abundant number, since it is smaller than the sum of its proper divisors (10041174090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8132493942 is a wasteful number, since it uses less digits than its factorization.
8132493942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95333 (or 95330 counting only the distinct ones).
The product of its digits is 373248, while the sum is 45.
The square root of 8132493942 is about 90180.3412169193. The cubic root of 8132493942 is about 2010.9807629204.
The spelling of 8132493942 in words is "eight billion, one hundred thirty-two million, four hundred ninety-three thousand, nine hundred forty-two".
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