Base | Representation |
---|---|
bin | 1101000001101000… |
… | …01110001011010100 |
3 | 200001100120210020200 |
4 | 12200310032023110 |
5 | 103310202331122 |
6 | 3113524300500 |
7 | 335202421242 |
oct | 64064161324 |
9 | 20040523220 |
10 | 6993011412 |
11 | 2a69410a82 |
12 | 1431b41730 |
13 | 875a29c9a |
14 | 4a4a5b792 |
15 | 2addd85ac |
hex | 1a0d0e2d4 |
6993011412 has 36 divisors (see below), whose sum is σ = 17838961140. Its totient is φ = 2309617152.
The previous prime is 6993011401. The next prime is 6993011413. The reversal of 6993011412 is 2141103996.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2771390736 + 4221620676 = 52644^2 + 64974^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6993011413) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887133 + ... + 894980.
Almost surely, 26993011412 is an apocalyptic number.
It is an amenable number.
6993011412 is an abundant number, since it is smaller than the sum of its proper divisors (10845949728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6993011412 is a wasteful number, since it uses less digits than its factorization.
6993011412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782232 (or 1782227 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 6993011412 is about 83624.2274224402. The cubic root of 6993011412 is about 1912.2943666132.
The spelling of 6993011412 in words is "six billion, nine hundred ninety-three million, eleven thousand, four hundred twelve".
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