Base | Representation |
---|---|
bin | 10000111111010… |
… | …00111110011001 |
3 | 100221011100202011 |
4 | 20133220332121 |
5 | 242440341100 |
6 | 22050305521 |
7 | 3350221645 |
oct | 1037507631 |
9 | 327140664 |
10 | 142512025 |
11 | 73498437 |
12 | 3b8882a1 |
13 | 236a9856 |
14 | 14cd9c25 |
15 | c7a0bba |
hex | 87e8f99 |
142512025 has 12 divisors (see below), whose sum is σ = 184398912. Its totient is φ = 109052240.
The previous prime is 142512011. The next prime is 142512031. The reversal of 142512025 is 520215241.
It is not a de Polignac number, because 142512025 - 29 = 142511513 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142511987 and 142512005.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123349 + ... + 124498.
It is an arithmetic number, because the mean of its divisors is an integer number (15366576).
Almost surely, 2142512025 is an apocalyptic number.
It is an amenable number.
142512025 is a deficient number, since it is larger than the sum of its proper divisors (41886887).
142512025 is a wasteful number, since it uses less digits than its factorization.
142512025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247880 (or 247875 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 142512025 is about 11937.8400475128. The cubic root of 142512025 is about 522.3366552122.
Adding to 142512025 its reverse (520215241), we get a palindrome (662727266).
The spelling of 142512025 in words is "one hundred forty-two million, five hundred twelve thousand, twenty-five".
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