Base | Representation |
---|---|
bin | 101010111110111… |
… | …0111001001110011 |
3 | 10201111220102021200 |
4 | 1111331313021303 |
5 | 10423210430201 |
6 | 355041022243 |
7 | 50512115052 |
oct | 12575671163 |
9 | 3644812250 |
10 | 1442280051 |
11 | 680147393 |
12 | 343024983 |
13 | 19ca63064 |
14 | d979a399 |
15 | 86947386 |
hex | 55f77273 |
1442280051 has 12 divisors (see below), whose sum is σ = 2205840312. Its totient is φ = 904959936.
The previous prime is 1442280041. The next prime is 1442280089. The reversal of 1442280051 is 1500822441.
It is not a de Polignac number, because 1442280051 - 221 = 1440182899 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1442279997 and 1442280024.
It is not an unprimeable number, because it can be changed into a prime (1442280031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4713181 + ... + 4713486.
It is an arithmetic number, because the mean of its divisors is an integer number (183820026).
Almost surely, 21442280051 is an apocalyptic number.
1442280051 is a deficient number, since it is larger than the sum of its proper divisors (763560261).
1442280051 is a wasteful number, since it uses less digits than its factorization.
1442280051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9426690 (or 9426687 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 1442280051 is about 37977.3623491680. The cubic root of 1442280051 is about 1129.8389231859.
The spelling of 1442280051 in words is "one billion, four hundred forty-two million, two hundred eighty thousand, fifty-one".
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