Base | Representation |
---|---|
bin | 10000110111010100… |
… | …001111011110111010 |
3 | 1201201222020202200012 |
4 | 100313110033132322 |
5 | 244041112003422 |
6 | 12152455341522 |
7 | 1210505541365 |
oct | 206724173672 |
9 | 51658222605 |
10 | 18107922362 |
11 | 77524a50a2 |
12 | 36143818a2 |
13 | 19276b907a |
14 | c3acc10dc |
15 | 70eac54e2 |
hex | 43750f7ba |
18107922362 has 4 divisors (see below), whose sum is σ = 27161883546. Its totient is φ = 9053961180.
The previous prime is 18107922361. The next prime is 18107922373. The reversal of 18107922362 is 26322970181.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26322970181 = 173 ⋅152155897.
It can be written as a sum of positive squares in only one way, i.e., 17974496761 + 133425601 = 134069^2 + 11551^2 .
It is not an unprimeable number, because it can be changed into a prime (18107922361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4526980589 + ... + 4526980592.
Almost surely, 218107922362 is an apocalyptic number.
18107922362 is a deficient number, since it is larger than the sum of its proper divisors (9053961184).
18107922362 is an equidigital number, since it uses as much as digits as its factorization.
18107922362 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9053961183.
The product of its (nonzero) digits is 72576, while the sum is 41.
The spelling of 18107922362 in words is "eighteen billion, one hundred seven million, nine hundred twenty-two thousand, three hundred sixty-two".
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