Base | Representation |
---|---|
bin | 10101011110111011010110… |
… | …11001010011100111101100 |
3 | 20012021022020110100102022011 |
4 | 22233131223121103213230 |
5 | 22143003404123203110 |
6 | 244250424234131004 |
7 | 12644063305422154 |
oct | 1257355331234754 |
9 | 205238213312264 |
10 | 47242147084780 |
11 | 1406431147a18a |
12 | 536ba17580a64 |
13 | 2048bb9059b7b |
14 | b947641c5764 |
15 | 56dd23ae048a |
hex | 2af76b6539ec |
47242147084780 has 24 divisors (see below), whose sum is σ = 99210385824480. Its totient is φ = 18896501320320.
The previous prime is 47242147084733. The next prime is 47242147084787. The reversal of 47242147084780 is 8748074124274.
It is a super-2 number, since 2×472421470847802 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47242147084787) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21259761 + ... + 23376520.
It is an arithmetic number, because the mean of its divisors is an integer number (4133766076020).
Almost surely, 247242147084780 is an apocalyptic number.
It is an amenable number.
47242147084780 is an abundant number, since it is smaller than the sum of its proper divisors (51968238739700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47242147084780 is a wasteful number, since it uses less digits than its factorization.
47242147084780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44689209 (or 44689207 counting only the distinct ones).
The product of its (nonzero) digits is 22478848, while the sum is 58.
The spelling of 47242147084780 in words is "forty-seven trillion, two hundred forty-two billion, one hundred forty-seven million, eighty-four thousand, seven hundred eighty".
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