Base | Representation |
---|---|
bin | 10001010110100010… |
… | …111001111111110110 |
3 | 1210002111010120021211 |
4 | 101112202321333312 |
5 | 301124224011324 |
6 | 12320453232034 |
7 | 1226500125112 |
oct | 212642717766 |
9 | 53074116254 |
10 | 18631860214 |
11 | 79a1221390 |
12 | 373b93261a |
13 | 19ac102a76 |
14 | c8a708742 |
15 | 740abb294 |
hex | 4568b9ff6 |
18631860214 has 8 divisors (see below), whose sum is σ = 30488498568. Its totient is φ = 8469027360.
The previous prime is 18631860113. The next prime is 18631860223. The reversal of 18631860214 is 41206813681.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×186318602142 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423451347 + ... + 423451390.
It is an arithmetic number, because the mean of its divisors is an integer number (3811062321).
Almost surely, 218631860214 is an apocalyptic number.
18631860214 is a deficient number, since it is larger than the sum of its proper divisors (11856638354).
18631860214 is a wasteful number, since it uses less digits than its factorization.
18631860214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 846902750.
The product of its (nonzero) digits is 55296, while the sum is 40.
The spelling of 18631860214 in words is "eighteen billion, six hundred thirty-one million, eight hundred sixty thousand, two hundred fourteen".
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