Base | Representation |
---|---|
bin | 101010010101000… |
… | …0001001101010110 |
3 | 10122222112202220000 |
4 | 1110222001031112 |
5 | 10402044114032 |
6 | 352533552130 |
7 | 50124234441 |
oct | 12452011526 |
9 | 3588482800 |
10 | 1420301142 |
11 | 6697a52a7 |
12 | 3377a5646 |
13 | 198338ca0 |
14 | d68b8658 |
15 | 84a54e7c |
hex | 54a81356 |
1420301142 has 80 divisors (see below), whose sum is σ = 3629035872. Its totient is φ = 411298560.
The previous prime is 1420301119. The next prime is 1420301147. The reversal of 1420301142 is 2411030241.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420301147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15967 + ... + 55637.
Almost surely, 21420301142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1420301142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814517936).
1420301142 is an abundant number, since it is smaller than the sum of its proper divisors (2208734730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420301142 is a wasteful number, since it uses less digits than its factorization.
1420301142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39715 (or 39706 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1420301142 is about 37686.8828904700. The cubic root of 1420301142 is about 1124.0703145983.
Adding to 1420301142 its reverse (2411030241), we get a palindrome (3831331383).
The spelling of 1420301142 in words is "one billion, four hundred twenty million, three hundred one thousand, one hundred forty-two".
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