Base | Representation |
---|---|
bin | 10001111101100000… |
… | …010111011111111010 |
3 | 1211210001002012210120 |
4 | 101331200113133322 |
5 | 303444042143132 |
6 | 12505403154110 |
7 | 1251625045065 |
oct | 217540273772 |
9 | 54701065716 |
10 | 19285506042 |
11 | 81a7190150 |
12 | 38a2815936 |
13 | 1a8466234a |
14 | d0d4578dc |
15 | 77d18402c |
hex | 47d8177fa |
19285506042 has 32 divisors (see below), whose sum is σ = 42083656704. Its totient is φ = 5843233200.
The previous prime is 19285506013. The next prime is 19285506083. The reversal of 19285506042 is 24060558291.
It is a junction number, because it is equal to n+sod(n) for n = 19285505985 and 19285506003.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541567 + ... + 576077.
It is an arithmetic number, because the mean of its divisors is an integer number (1315114272).
Almost surely, 219285506042 is an apocalyptic number.
19285506042 is an abundant number, since it is smaller than the sum of its proper divisors (22798150662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19285506042 is a wasteful number, since it uses less digits than its factorization.
19285506042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42994.
The product of its (nonzero) digits is 172800, while the sum is 42.
The spelling of 19285506042 in words is "nineteen billion, two hundred eighty-five million, five hundred six thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •