Base | Representation |
---|---|
bin | 100111111101100101… |
… | …101001011101110001 |
3 | 11002202102020202000211 |
4 | 213331211221131301 |
5 | 1200334224213411 |
6 | 31413501144121 |
7 | 3046221162004 |
oct | 477545513561 |
9 | 132672222024 |
10 | 42909210481 |
11 | 1721a148a25 |
12 | 839625b041 |
13 | 407a9c9697 |
14 | 2110add53b |
15 | 11b20e5221 |
hex | 9fd969771 |
42909210481 has 8 divisors (see below), whose sum is σ = 47131398720. Its totient is φ = 38883403152.
The previous prime is 42909210479. The next prime is 42909210497. The reversal of 42909210481 is 18401290924.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42909210481 - 21 = 42909210479 is a prime.
It is a super-2 number, since 2×429092104812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42909211481) 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, 49094770 + ... + 49095643.
It is an arithmetic number, because the mean of its divisors is an integer number (5891424840).
Almost surely, 242909210481 is an apocalyptic number.
It is an amenable number.
42909210481 is a deficient number, since it is larger than the sum of its proper divisors (4222188239).
42909210481 is a wasteful number, since it uses less digits than its factorization.
42909210481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98190455.
The product of its (nonzero) digits is 41472, while the sum is 40.
The spelling of 42909210481 in words is "forty-two billion, nine hundred nine million, two hundred ten thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •