Base | Representation |
---|---|
bin | 1101000001101101… |
… | …11010101100010110 |
3 | 200001101220200120000 |
4 | 12200312322230112 |
5 | 103310342434123 |
6 | 3113551352130 |
7 | 335211423336 |
oct | 64066725426 |
9 | 20041820500 |
10 | 6993718038 |
11 | 2a6985396a |
12 | 1432222646 |
13 | 875c167c8 |
14 | 4a4ba30c6 |
15 | 2adec7b43 |
hex | 1a0dbab16 |
6993718038 has 40 divisors (see below), whose sum is σ = 15691061232. Its totient is φ = 2328271344.
The previous prime is 6993718027. The next prime is 6993718051. The reversal of 6993718038 is 8308173996.
It is a Harshad number since it is a multiple of its sum of digits (54).
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 19 ways as a sum of consecutive naturals, for example, 102031 + ... + 156197.
Almost surely, 26993718038 is an apocalyptic number.
6993718038 is an abundant number, since it is smaller than the sum of its proper divisors (8697343194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6993718038 is a wasteful number, since it uses less digits than its factorization.
6993718038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54978 (or 54969 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 54.
The square root of 6993718038 is about 83628.4523233570. The cubic root of 6993718038 is about 1912.3587752696.
The spelling of 6993718038 in words is "six billion, nine hundred ninety-three million, seven hundred eighteen thousand, thirty-eight".
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