Base | Representation |
---|---|
bin | 10000111101101… |
… | …01011101111011 |
3 | 100220202122100022 |
4 | 20132311131323 |
5 | 242412113201 |
6 | 22042001055 |
7 | 3345352604 |
oct | 1036653573 |
9 | 326678308 |
10 | 142301051 |
11 | 73363982 |
12 | 3b7a618b |
13 | 23634809 |
14 | 14c82dab |
15 | c75d41b |
hex | 87b577b |
142301051 has 4 divisors (see below), whose sum is σ = 149790600. Its totient is φ = 134811504.
The previous prime is 142301039. The next prime is 142301053. The reversal of 142301051 is 150103241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150103241 = 193 ⋅777737.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142301051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142301053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744746 + ... + 3744783.
It is an arithmetic number, because the mean of its divisors is an integer number (37447650).
Almost surely, 2142301051 is an apocalyptic number.
142301051 is a deficient number, since it is larger than the sum of its proper divisors (7489549).
142301051 is an equidigital number, since it uses as much as digits as its factorization.
142301051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7489548.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 142301051 is about 11929.0004191466. Note that the first 3 decimals coincide. The cubic root of 142301051 is about 522.0787731661.
Adding to 142301051 its reverse (150103241), we get a palindrome (292404292).
The spelling of 142301051 in words is "one hundred forty-two million, three hundred one thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •