Base | Representation |
---|---|
bin | 1000001101111011111011… |
… | …10101010000011111000010 |
3 | 2100222120111202010202101000 |
4 | 10012331331311100133002 |
5 | 4332033441330334201 |
6 | 102233415343152430 |
7 | 3543406116030123 |
oct | 406757565203702 |
9 | 70876452122330 |
10 | 18071038527426 |
11 | 5837980157355 |
12 | 203a3562a5716 |
13 | a111263a36a1 |
14 | 4669002c004a |
15 | 21510875ad86 |
hex | 106f7dd507c2 |
18071038527426 has 16 divisors (see below), whose sum is σ = 40157863394400. Its totient is φ = 6023679509124.
The previous prime is 18071038527413. The next prime is 18071038527427. The reversal of 18071038527426 is 62472583017081.
18071038527426 is a `hidden beast` number, since 1 + 8 + 0 + 7 + 103 + 8 + 527 + 4 + 2 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 334648861619 = 18071038527426 / (1 + 8 + 0 + 7 + 1 + 0 + 3 + 8 + 5 + 2 + 7 + 4 + 2 + 6).
It is not an unprimeable number, because it can be changed into a prime (18071038527427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167324430756 + ... + 167324430863.
It is an arithmetic number, because the mean of its divisors is an integer number (2509866462150).
Almost surely, 218071038527426 is an apocalyptic number.
18071038527426 is an abundant number, since it is smaller than the sum of its proper divisors (22086824866974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18071038527426 is a wasteful number, since it uses less digits than its factorization.
18071038527426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334648861630 (or 334648861624 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 18071038527426 in words is "eighteen trillion, seventy-one billion, thirty-eight million, five hundred twenty-seven thousand, four hundred twenty-six".
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