Base | Representation |
---|---|
bin | 10001000001100… |
… | …01101111000110 |
3 | 100221201111120021 |
4 | 20200301233012 |
5 | 243024410204 |
6 | 22100525354 |
7 | 3352602562 |
oct | 1040615706 |
9 | 327644507 |
10 | 142810054 |
11 | 73681342 |
12 | 3b9b085a |
13 | 237823ba |
14 | 14d766a2 |
15 | c80e154 |
hex | 8831bc6 |
142810054 has 4 divisors (see below), whose sum is σ = 214215084. Its totient is φ = 71405026.
The previous prime is 142810051. The next prime is 142810067. The reversal of 142810054 is 450018241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450018241 = 17977 ⋅25033.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142810051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35702512 + ... + 35702515.
It is an arithmetic number, because the mean of its divisors is an integer number (53553771).
Almost surely, 2142810054 is an apocalyptic number.
142810054 is a deficient number, since it is larger than the sum of its proper divisors (71405030).
142810054 is an equidigital number, since it uses as much as digits as its factorization.
142810054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71405029.
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 142810054 is about 11950.3160627659. The cubic root of 142810054 is about 522.7005147547.
Adding to 142810054 its reverse (450018241), we get a palindrome (592828295).
The spelling of 142810054 in words is "one hundred forty-two million, eight hundred ten thousand, fifty-four".
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