Base | Representation |
---|---|
bin | 10000111111100… |
… | …00010100010111 |
3 | 100221012220000011 |
4 | 20133300110113 |
5 | 242442321403 |
6 | 22051101051 |
7 | 3350405434 |
oct | 1037602427 |
9 | 327186004 |
10 | 142542103 |
11 | 73508aa0 |
12 | 3b8a1787 |
13 | 236ba452 |
14 | 14d06b8b |
15 | c7a9a6d |
hex | 87f0517 |
142542103 has 8 divisors (see below), whose sum is σ = 155596176. Its totient is φ = 129504000.
The previous prime is 142542091. The next prime is 142542107. The reversal of 142542103 is 301245241.
142542103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142542103 is a prime.
It is a super-2 number, since 2×1425421032 = 40636502255325218, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142542107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22153 + ... + 27853.
It is an arithmetic number, because the mean of its divisors is an integer number (19449522).
Almost surely, 2142542103 is an apocalyptic number.
142542103 is a deficient number, since it is larger than the sum of its proper divisors (13054073).
142542103 is a wasteful number, since it uses less digits than its factorization.
142542103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7985.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 142542103 is about 11939.0997566818. The cubic root of 142542103 is about 522.3734000337.
Adding to 142542103 its reverse (301245241), we get a palindrome (443787344).
It can be divided in two parts, 142 and 542103, that added together give a palindrome (542245).
The spelling of 142542103 in words is "one hundred forty-two million, five hundred forty-two thousand, one hundred three".
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