Base | Representation |
---|---|
bin | 100111001111011010… |
… | …001001100001100011 |
3 | 11000202102101112101211 |
4 | 213033122021201203 |
5 | 1142242404203011 |
6 | 31204543210551 |
7 | 3021062602663 |
oct | 471732114143 |
9 | 130672345354 |
10 | 42134444131 |
11 | 1696188255a |
12 | 81ba8a6a57 |
13 | 3c86340160 |
14 | 2079c621a3 |
15 | 11690a4b21 |
hex | 9cf689863 |
42134444131 has 8 divisors (see below), whose sum is σ = 45777110400. Its totient is φ = 38549142912.
The previous prime is 42134444113. The next prime is 42134444141. The reversal of 42134444131 is 13144443124.
42134444131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 42134444131 - 211 = 42134442083 is a prime.
It is a super-2 number, since 2×421344441312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42134444093 and 42134444102.
It is not an unprimeable number, because it can be changed into a prime (42134444141) 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, 14339731 + ... + 14342668.
It is an arithmetic number, because the mean of its divisors is an integer number (5722138800).
Almost surely, 242134444131 is an apocalyptic number.
42134444131 is a deficient number, since it is larger than the sum of its proper divisors (3642666269).
42134444131 is a wasteful number, since it uses less digits than its factorization.
42134444131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28682525.
The product of its digits is 18432, while the sum is 31.
Adding to 42134444131 its reverse (13144443124), we get a palindrome (55278887255).
The spelling of 42134444131 in words is "forty-two billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred thirty-one".
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