Base | Representation |
---|---|
bin | 1000010011101010100… |
… | …0111010000110111101 |
3 | 111122101020120111221011 |
4 | 2010322220322012331 |
5 | 4314241214114234 |
6 | 145321424035221 |
7 | 13211451426115 |
oct | 2047250720675 |
9 | 448336514834 |
10 | 142717723069 |
11 | 55587485769 |
12 | 237aba62b11 |
13 | 105c594265c |
14 | 6c9c556045 |
15 | 3aa4607b64 |
hex | 213aa3a1bd |
142717723069 has 4 divisors (see below), whose sum is σ = 142721092800. Its totient is φ = 142714353340.
The previous prime is 142717723067. The next prime is 142717723117. The reversal of 142717723069 is 960327717241.
142717723069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 142717723069 - 21 = 142717723067 is a prime.
It is a super-2 number, since 2×1427177230692 (a number of 23 digits) 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 (142717723067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620517 + ... + 1706314.
It is an arithmetic number, because the mean of its divisors is an integer number (35680273200).
Almost surely, 2142717723069 is an apocalyptic number.
It is an amenable number.
142717723069 is a deficient number, since it is larger than the sum of its proper divisors (3369731).
142717723069 is an equidigital number, since it uses as much as digits as its factorization.
142717723069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3369730.
The product of its (nonzero) digits is 889056, while the sum is 49.
The spelling of 142717723069 in words is "one hundred forty-two billion, seven hundred seventeen million, seven hundred twenty-three thousand, sixty-nine".
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