Base | Representation |
---|---|
bin | 100111100000011011… |
… | …111010101011110111 |
3 | 11001111022221101110002 |
4 | 213200123322223313 |
5 | 1143334022322221 |
6 | 31253150221515 |
7 | 3031132034102 |
oct | 474033725367 |
9 | 131438841402 |
10 | 42420120311 |
11 | 16a99063278 |
12 | 827a4b489b |
13 | 400059430a |
14 | 20a5b87739 |
15 | 11841d480b |
hex | 9e06faaf7 |
42420120311 has 8 divisors (see below), whose sum is σ = 44266536960. Its totient is φ = 40573875672.
The previous prime is 42420120307. The next prime is 42420120313. The reversal of 42420120311 is 11302102424.
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 42420120311 - 22 = 42420120307 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42420120313) 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, 921050 + ... + 966008.
It is an arithmetic number, because the mean of its divisors is an integer number (5533317120).
Almost surely, 242420120311 is an apocalyptic number.
42420120311 is a deficient number, since it is larger than the sum of its proper divisors (1846416649).
42420120311 is a wasteful number, since it uses less digits than its factorization.
42420120311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86005.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 42420120311 its reverse (11302102424), we get a palindrome (53722222735).
The spelling of 42420120311 in words is "forty-two billion, four hundred twenty million, one hundred twenty thousand, three hundred eleven".
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