Base | Representation |
---|---|
bin | 1000100000010110111100… |
… | …00010010100000011000001 |
3 | 2110020002022210211010122020 |
4 | 10100023132002110003001 |
5 | 4422421304231131022 |
6 | 103440301013432053 |
7 | 3640214605136613 |
oct | 420133602240301 |
9 | 73202283733566 |
10 | 18704012755137 |
11 | 5a61366651206 |
12 | 2120b6803b629 |
13 | a58a1c655928 |
14 | 4893c99c6db3 |
15 | 2268033a535c |
hex | 1102de0940c1 |
18704012755137 has 8 divisors (see below), whose sum is σ = 24938866021536. Its totient is φ = 12469250662752.
The previous prime is 18704012755133. The next prime is 18704012755151. The reversal of 18704012755137 is 73155721040781.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18704012755137 - 22 = 18704012755133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 18704012755137.
It is not an unprimeable number, because it can be changed into a prime (18704012755133) 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, 22313383 + ... + 23136444.
It is an arithmetic number, because the mean of its divisors is an integer number (3117358252692).
Almost surely, 218704012755137 is an apocalyptic number.
It is an amenable number.
18704012755137 is a deficient number, since it is larger than the sum of its proper divisors (6234853266399).
18704012755137 is a wasteful number, since it uses less digits than its factorization.
18704012755137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45587007.
The product of its (nonzero) digits is 1646400, while the sum is 51.
The spelling of 18704012755137 in words is "eighteen trillion, seven hundred four billion, twelve million, seven hundred fifty-five thousand, one hundred thirty-seven".
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