Base | Representation |
---|---|
bin | 1000010001011000100… |
… | …1101010010111001011 |
3 | 111120210120200000112212 |
4 | 2010112021222113023 |
5 | 4312013010133311 |
6 | 145140555055335 |
7 | 13160336156561 |
oct | 2042611522713 |
9 | 446716600485 |
10 | 142105552331 |
11 | 552a2974836 |
12 | 2365aa4154b |
13 | 10528b75152 |
14 | 6c41121a31 |
15 | 3a6a9d3c8b |
hex | 211626a5cb |
142105552331 has 8 divisors (see below), whose sum is σ = 144241394640. Its totient is φ = 139970147328.
The previous prime is 142105552319. The next prime is 142105552333. The reversal of 142105552331 is 133255501241.
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 142105552331 - 210 = 142105551307 is a prime.
It is a super-2 number, since 2×1421055523312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142105552333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577655 + ... + 786063.
It is an arithmetic number, because the mean of its divisors is an integer number (18030174330).
Almost surely, 2142105552331 is an apocalyptic number.
142105552331 is a deficient number, since it is larger than the sum of its proper divisors (2135842309).
142105552331 is a wasteful number, since it uses less digits than its factorization.
142105552331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218653.
The product of its (nonzero) digits is 18000, while the sum is 32.
The spelling of 142105552331 in words is "one hundred forty-two billion, one hundred five million, five hundred fifty-two thousand, three hundred thirty-one".
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