Base | Representation |
---|---|
bin | 1000011110001100100001… |
… | …10110010111010001110011 |
3 | 2102221222112001112100220120 |
4 | 10033012100312113101303 |
5 | 4420212113023123404 |
6 | 103342211220541323 |
7 | 3631644262362144 |
oct | 417062066272163 |
9 | 72858461470816 |
10 | 18629703332979 |
11 | 5a328a3946522 |
12 | 210a689b51843 |
13 | a51a0947024b |
14 | 48597a913acb |
15 | 22490479d9d9 |
hex | 10f190d97473 |
18629703332979 has 16 divisors (see below), whose sum is σ = 24902455236864. Its totient is φ = 12388406133600.
The previous prime is 18629703332969. The next prime is 18629703332983. The reversal of 18629703332979 is 97923330792681.
It is not a de Polignac number, because 18629703332979 - 227 = 18629569115251 is a prime.
It is a super-2 number, since 2×186297033329792 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (18629703332969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119087 + ... + 6205784.
It is an arithmetic number, because the mean of its divisors is an integer number (1556403452304).
Almost surely, 218629703332979 is an apocalyptic number.
18629703332979 is a deficient number, since it is larger than the sum of its proper divisors (6272751903885).
18629703332979 is a wasteful number, since it uses less digits than its factorization.
18629703332979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7327018.
The product of its (nonzero) digits is 185177664, while the sum is 69.
The spelling of 18629703332979 in words is "eighteen trillion, six hundred twenty-nine billion, seven hundred three million, three hundred thirty-two thousand, nine hundred seventy-nine".
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