Base | Representation |
---|---|
bin | 1000010010010011101… |
… | …1010010110010111111 |
3 | 111121102212010020000221 |
4 | 2010210323102302333 |
5 | 4313014440202111 |
6 | 145221332202211 |
7 | 13166436211111 |
oct | 2044473226277 |
9 | 447385106027 |
10 | 142353444031 |
11 | 5540a898507 |
12 | 23709a69367 |
13 | 1056832a026 |
14 | 6c6600d3b1 |
15 | 3a8264d371 |
hex | 2124ed2cbf |
142353444031 has 8 divisors (see below), whose sum is σ = 142969261424. Its totient is φ = 141737834880.
The previous prime is 142353444029. The next prime is 142353444047. The reversal of 142353444031 is 130444353241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142353444031 - 21 = 142353444029 is a prime.
It is a super-2 number, since 2×1423534440312 (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 (142353244031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405996 + ... + 1503838.
It is an arithmetic number, because the mean of its divisors is an integer number (17871157678).
Almost surely, 2142353444031 is an apocalyptic number.
142353444031 is a deficient number, since it is larger than the sum of its proper divisors (615817393).
142353444031 is an equidigital number, since it uses as much as digits as its factorization.
142353444031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104121.
The product of its (nonzero) digits is 69120, while the sum is 34.
Adding to 142353444031 its reverse (130444353241), we get a palindrome (272797797272).
The spelling of 142353444031 in words is "one hundred forty-two billion, three hundred fifty-three million, four hundred forty-four thousand, thirty-one".
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