Base | Representation |
---|---|
bin | 10000111011010000… |
… | …011101100110011010 |
3 | 1201220120122220200011 |
4 | 100323100131212122 |
5 | 244210023243344 |
6 | 12203220432134 |
7 | 1212240536512 |
oct | 207320354632 |
9 | 51816586604 |
10 | 18174040474 |
11 | 7786854667 |
12 | 363254864a |
13 | 19382c8a05 |
14 | c459b2842 |
15 | 7157d5d34 |
hex | 43b41d99a |
18174040474 has 32 divisors (see below), whose sum is σ = 29187144000. Its totient is φ = 8462568960.
The previous prime is 18174040463. The next prime is 18174040481. The reversal of 18174040474 is 47404047181.
It is a super-4 number, since 4×181740404744 (a number of 42 digits) contains 4444 as substring.
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 15 ways as a sum of consecutive naturals, for example, 532669 + ... + 565759.
It is an arithmetic number, because the mean of its divisors is an integer number (912098250).
Almost surely, 218174040474 is an apocalyptic number.
18174040474 is a deficient number, since it is larger than the sum of its proper divisors (11013103526).
18174040474 is a wasteful number, since it uses less digits than its factorization.
18174040474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33358.
The product of its (nonzero) digits is 100352, while the sum is 40.
The spelling of 18174040474 in words is "eighteen billion, one hundred seventy-four million, forty thousand, four hundred seventy-four".
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