Base | Representation |
---|---|
bin | 1000010100100010010… |
… | …1111100000001011001 |
3 | 111122222120002011002110 |
4 | 2011020211330001121 |
5 | 4320231131403442 |
6 | 145400545422533 |
7 | 13220323316355 |
oct | 2051045740131 |
9 | 448876064073 |
10 | 142951825497 |
11 | 55697640348 |
12 | 2385633aa49 |
13 | 106322a9cc0 |
14 | 6cc1694465 |
15 | 3ab9e4b69c |
hex | 214897c059 |
142951825497 has 32 divisors (see below), whose sum is σ = 212499866880. Its totient is φ = 84873841920.
The previous prime is 142951825477. The next prime is 142951825501. The reversal of 142951825497 is 794528159241.
It is a happy number.
It is not a de Polignac number, because 142951825497 - 28 = 142951825241 is a prime.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (142951825427) 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, 1499847 + ... + 1592307.
It is an arithmetic number, because the mean of its divisors is an integer number (6640620840).
Almost surely, 2142951825497 is an apocalyptic number.
It is an amenable number.
142951825497 is a deficient number, since it is larger than the sum of its proper divisors (69548041383).
142951825497 is a wasteful number, since it uses less digits than its factorization.
142951825497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93873.
The product of its digits is 7257600, while the sum is 57.
The spelling of 142951825497 in words is "one hundred forty-two billion, nine hundred fifty-one million, eight hundred twenty-five thousand, four hundred ninety-seven".
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