Base | Representation |
---|---|
bin | 1000010010100000100… |
… | …0000001110010001101 |
3 | 111121120121002221012201 |
4 | 2010220020001302031 |
5 | 4313122210120434 |
6 | 145230530401501 |
7 | 13200660331666 |
oct | 2045010016215 |
9 | 447517087181 |
10 | 142407113869 |
11 | 55438115449 |
12 | 23723a30291 |
13 | 1057649b927 |
14 | 6c6d1c036d |
15 | 3a87200614 |
hex | 2128201c8d |
142407113869 has 2 divisors, whose sum is σ = 142407113870. Its totient is φ = 142407113868.
The previous prime is 142407113843. The next prime is 142407113899. The reversal of 142407113869 is 968311704241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 137815425225 + 4591688644 = 371235^2 + 67762^2 .
It is a cyclic number.
It is not a de Polignac number, because 142407113869 - 237 = 4968160397 is a prime.
It is a super-2 number, since 2×1424071138692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142407113899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71203556934 + 71203556935.
It is an arithmetic number, because the mean of its divisors is an integer number (71203556935).
Almost surely, 2142407113869 is an apocalyptic number.
It is an amenable number.
142407113869 is a deficient number, since it is larger than the sum of its proper divisors (1).
142407113869 is an equidigital number, since it uses as much as digits as its factorization.
142407113869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 290304, while the sum is 46.
The spelling of 142407113869 in words is "one hundred forty-two billion, four hundred seven million, one hundred thirteen thousand, eight hundred sixty-nine".
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