Base | Representation |
---|---|
bin | 10001011000111100… |
… | …001001111110100100 |
3 | 1210012021201120221201 |
4 | 101120330021332210 |
5 | 301220020034300 |
6 | 12324450252244 |
7 | 1230465445015 |
oct | 213074117644 |
9 | 53167646851 |
10 | 18672033700 |
11 | 7a11970311 |
12 | 3751287084 |
13 | 19b752a568 |
14 | c91ba500c |
15 | 7443a466a |
hex | 458f09fa4 |
18672033700 has 36 divisors (see below), whose sum is σ = 40561036740. Its totient is φ = 7460938240.
The previous prime is 18672033689. The next prime is 18672033767. The reversal of 18672033700 is 733027681.
It can be written as a sum of positive squares in 6 ways, for example, as 1956646756 + 16715386944 = 44234^2 + 129288^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 18672033700.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2665 + ... + 193264.
It is an arithmetic number, because the mean of its divisors is an integer number (1126695465).
Almost surely, 218672033700 is an apocalyptic number.
18672033700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18672033700 is an abundant number, since it is smaller than the sum of its proper divisors (21889003040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18672033700 is a wasteful number, since it uses less digits than its factorization.
18672033700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196896 (or 196889 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 37.
The spelling of 18672033700 in words is "eighteen billion, six hundred seventy-two million, thirty-three thousand, seven hundred".
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