Base | Representation |
---|---|
bin | 10000111100001… |
… | …00111000000111 |
3 | 100220101112022220 |
4 | 20132010320013 |
5 | 242334231043 |
6 | 22033423423 |
7 | 3343563420 |
oct | 1036047007 |
9 | 326345286 |
10 | 142102023 |
11 | 73238398 |
12 | 3b70ab73 |
13 | 2359504b |
14 | 14c30647 |
15 | c71e483 |
hex | 8784e07 |
142102023 has 32 divisors (see below), whose sum is σ = 223491072. Its totient is φ = 78624000.
The previous prime is 142102013. The next prime is 142102049. The reversal of 142102023 is 320201241.
It is not a de Polignac number, because 142102023 - 28 = 142101767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142101993 and 142102011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142102013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129465 + ... + 130557.
It is an arithmetic number, because the mean of its divisors is an integer number (6984096).
Almost surely, 2142102023 is an apocalyptic number.
142102023 is a deficient number, since it is larger than the sum of its proper divisors (81389049).
142102023 is a wasteful number, since it uses less digits than its factorization.
142102023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1295.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 142102023 is about 11920.6553091682. The cubic root of 142102023 is about 521.8352594453.
Adding to 142102023 its reverse (320201241), we get a palindrome (462303264).
The spelling of 142102023 in words is "one hundred forty-two million, one hundred two thousand, twenty-three".
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