Base | Representation |
---|---|
bin | 10001010101001011… |
… | …001100111100100001 |
3 | 1210000212212111111001 |
4 | 101111023030330201 |
5 | 301102332303103 |
6 | 12314312352001 |
7 | 1226100530560 |
oct | 212513147441 |
9 | 53025774431 |
10 | 18608869153 |
11 | 798a248906 |
12 | 37340a5601 |
13 | 19a74130a4 |
14 | c87641bd7 |
15 | 73da7901d |
hex | 4552ccf21 |
18608869153 has 8 divisors (see below), whose sum is σ = 21402740672. Its totient is φ = 15848863056.
The previous prime is 18608869127. The next prime is 18608869229. The reversal of 18608869153 is 35196880681.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18608869153 - 217 = 18608738081 is a prime.
It is a super-2 number, since 2×186088691532 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18608869094 and 18608869103.
It is not an unprimeable number, because it can be changed into a prime (18608861153) 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, 8465175 + ... + 8467372.
It is an arithmetic number, because the mean of its divisors is an integer number (2675342584).
Almost surely, 218608869153 is an apocalyptic number.
It is an amenable number.
18608869153 is a deficient number, since it is larger than the sum of its proper divisors (2793871519).
18608869153 is a wasteful number, since it uses less digits than its factorization.
18608869153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16932711.
The product of its (nonzero) digits is 2488320, while the sum is 55.
The spelling of 18608869153 in words is "eighteen billion, six hundred eight million, eight hundred sixty-nine thousand, one hundred fifty-three".
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