Base | Representation |
---|---|
bin | 1100110010100101… |
… | …00010110100001110 |
3 | 122201112222122220212 |
4 | 12121102202310032 |
5 | 103030341230132 |
6 | 3053214042422 |
7 | 332110230362 |
oct | 63122426416 |
9 | 18645878825 |
10 | 6866742542 |
11 | 2a04108340 |
12 | 13b77a9412 |
13 | 85581988a |
14 | 491d8d2a2 |
15 | 2a2c955b2 |
hex | 1994a2d0e |
6866742542 has 32 divisors (see below), whose sum is σ = 11426659200. Its totient is φ = 3068863200.
The previous prime is 6866742521. The next prime is 6866742577. The reversal of 6866742542 is 2452476686.
It is a super-2 number, since 2×68667425422 = 94304306276225243528, 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, 303209 + ... + 325067.
It is an arithmetic number, because the mean of its divisors is an integer number (357083100).
Almost surely, 26866742542 is an apocalyptic number.
6866742542 is a deficient number, since it is larger than the sum of its proper divisors (4559916658).
6866742542 is a wasteful number, since it uses less digits than its factorization.
6866742542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22112.
The product of its digits is 3870720, while the sum is 50.
The square root of 6866742542 is about 82865.8104528038. The cubic root of 6866742542 is about 1900.7146473247.
The spelling of 6866742542 in words is "six billion, eight hundred sixty-six million, seven hundred forty-two thousand, five hundred forty-two".
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