Base | Representation |
---|---|
bin | 10000111100010… |
… | …10011111001101 |
3 | 100220102200212002 |
4 | 20132022133031 |
5 | 242341000010 |
6 | 22034122045 |
7 | 3344020421 |
oct | 1036123715 |
9 | 326380762 |
10 | 142125005 |
11 | 73253690 |
12 | 3b720325 |
13 | 235a2649 |
14 | 14c38b81 |
15 | c7261a5 |
hex | 878a7cd |
142125005 has 8 divisors (see below), whose sum is σ = 186054624. Its totient is φ = 103363600.
The previous prime is 142124993. The next prime is 142125017. The reversal of 142125005 is 500521241.
It is an interprime number because it is at equal distance from previous prime (142124993) and next prime (142125017).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142125005 - 24 = 142124989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291991 + ... + 1292100.
It is an arithmetic number, because the mean of its divisors is an integer number (23256828).
Almost surely, 2142125005 is an apocalyptic number.
It is an amenable number.
142125005 is a deficient number, since it is larger than the sum of its proper divisors (43929619).
142125005 is a wasteful number, since it uses less digits than its factorization.
142125005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2584107.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 142125005 is about 11921.6192272694. The cubic root of 142125005 is about 521.8633898716.
Adding to 142125005 its reverse (500521241), we get a palindrome (642646246).
The spelling of 142125005 in words is "one hundred forty-two million, one hundred twenty-five thousand, five".
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