Base | Representation |
---|---|
bin | 1101000001110111… |
… | …00101100001011101 |
3 | 200001111012212120121 |
4 | 12200323211201131 |
5 | 103311201121140 |
6 | 3114033514541 |
7 | 335225012020 |
oct | 64073454135 |
9 | 20044185517 |
10 | 6994942045 |
11 | 2a6a50a543 |
12 | 1432712a51 |
13 | 876254980 |
14 | 4a50011b7 |
15 | 2ae16a64a |
hex | 1a0ee585d |
6994942045 has 64 divisors (see below), whose sum is σ = 10827177984. Its totient is φ = 4216608000.
The previous prime is 6994942033. The next prime is 6994942057. The reversal of 6994942045 is 5402494996.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (6994942033) and next prime (6994942057).
It is not a de Polignac number, because 6994942045 - 221 = 6992844893 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 6994941983 and 6994942001.
It is a congruent number.
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 63 ways as a sum of consecutive naturals, for example, 2625384 + ... + 2628046.
It is an arithmetic number, because the mean of its divisors is an integer number (169174656).
Almost surely, 26994942045 is an apocalyptic number.
6994942045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
6994942045 is a deficient number, since it is larger than the sum of its proper divisors (3832235939).
6994942045 is a wasteful number, since it uses less digits than its factorization.
6994942045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2962.
The product of its (nonzero) digits is 2799360, while the sum is 52.
The square root of 6994942045 is about 83635.7701285760. The cubic root of 6994942045 is about 1912.4703327165.
The spelling of 6994942045 in words is "six billion, nine hundred ninety-four million, nine hundred forty-two thousand, forty-five".
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