Base | Representation |
---|---|
bin | 100111010100100101… |
… | …110111000001001100 |
3 | 11000222111000100121202 |
4 | 213110211313001030 |
5 | 1142432134301030 |
6 | 31221331045032 |
7 | 3023166660023 |
oct | 472445670114 |
9 | 130874010552 |
10 | 42221400140 |
11 | 169a6974927 |
12 | 8223a40778 |
13 | 3c9b36770a |
14 | 20876198ba |
15 | 1171a2e745 |
hex | 9d497704c |
42221400140 has 12 divisors (see below), whose sum is σ = 88664940336. Its totient is φ = 16888560048.
The previous prime is 42221400059. The next prime is 42221400157. The reversal of 42221400140 is 4100412224.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2111070007 = 42221400140 / (4 + 2 + 2 + 2 + 1 + 4 + 0 + 0 + 1 + 4 + 0).
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 3 ways as a sum of consecutive naturals, for example, 1055534984 + ... + 1055535023.
It is an arithmetic number, because the mean of its divisors is an integer number (7388745028).
Almost surely, 242221400140 is an apocalyptic number.
It is an amenable number.
42221400140 is an abundant number, since it is smaller than the sum of its proper divisors (46443540196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42221400140 is a wasteful number, since it uses less digits than its factorization.
42221400140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2111070016 (or 2111070014 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 42221400140 its reverse (4100412224), we get a palindrome (46321812364).
The spelling of 42221400140 in words is "forty-two billion, two hundred twenty-one million, four hundred thousand, one hundred forty".
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