Base | Representation |
---|---|
bin | 10001011001010000… |
… | …010111010010001110 |
3 | 1210012122200201121012 |
4 | 101121100113102032 |
5 | 301222344043321 |
6 | 12325200005222 |
7 | 1230561460211 |
oct | 213120272216 |
9 | 53178621535 |
10 | 18677331086 |
11 | 7a14959317 |
12 | 3753000812 |
13 | 19b86637cb |
14 | c92783778 |
15 | 744a9e05b |
hex | 45941748e |
18677331086 has 8 divisors (see below), whose sum is σ = 28018614360. Its totient is φ = 9337792968.
The previous prime is 18677331067. The next prime is 18677331089. The reversal of 18677331086 is 68013377681.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18677331089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409196 + ... + 452543.
It is an arithmetic number, because the mean of its divisors is an integer number (3502326795).
Almost surely, 218677331086 is an apocalyptic number.
18677331086 is a deficient number, since it is larger than the sum of its proper divisors (9341283274).
18677331086 is a wasteful number, since it uses less digits than its factorization.
18677331086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 872578.
The product of its (nonzero) digits is 1016064, while the sum is 50.
The spelling of 18677331086 in words is "eighteen billion, six hundred seventy-seven million, three hundred thirty-one thousand, eighty-six".
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