Base | Representation |
---|---|
bin | 1011101100011101… |
… | …0110101100110101 |
3 | 22002210002022021021 |
4 | 2323013112230311 |
5 | 22412123024011 |
6 | 1235301221141 |
7 | 140536222015 |
oct | 27307265465 |
9 | 8083068237 |
10 | 3139267381 |
11 | 1371042058 |
12 | 7374017b1 |
13 | 3b04c6283 |
14 | 21acd9c45 |
15 | 135903471 |
hex | bb1d6b35 |
3139267381 has 8 divisors (see below), whose sum is σ = 3374801280. Its totient is φ = 2910764448.
The previous prime is 3139267361. The next prime is 3139267393. The reversal of 3139267381 is 1837629313.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3139267381 - 221 = 3137170229 is a prime.
It is a super-2 number, since 2×31392673812 = 19709999378821198322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3139267361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756816 + ... + 1758601.
It is an arithmetic number, because the mean of its divisors is an integer number (421850160).
Almost surely, 23139267381 is an apocalyptic number.
It is an amenable number.
3139267381 is a deficient number, since it is larger than the sum of its proper divisors (235533899).
3139267381 is a wasteful number, since it uses less digits than its factorization.
3139267381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3515483.
The product of its digits is 163296, while the sum is 43.
The square root of 3139267381 is about 56029.1654497905. The cubic root of 3139267381 is about 1464.2304556051.
The spelling of 3139267381 in words is "three billion, one hundred thirty-nine million, two hundred sixty-seven thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •