Base | Representation |
---|---|
bin | 1000010001111100000… |
… | …1010000010000100101 |
3 | 111121011221122101020222 |
4 | 2010133001100100211 |
5 | 4312314102440310 |
6 | 145203432134125 |
7 | 13164123652322 |
oct | 2043701202045 |
9 | 447157571228 |
10 | 142254343205 |
11 | 553699605a7 |
12 | 236a0837345 |
13 | 1055093c8a0 |
14 | 6c56bb3b49 |
15 | 3a78ac5055 |
hex | 211f050425 |
142254343205 has 32 divisors (see below), whose sum is σ = 194494608000. Its totient is φ = 99015098112.
The previous prime is 142254343181. The next prime is 142254343213. The reversal of 142254343205 is 502343452241.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 142254343205 - 26 = 142254343141 is a prime.
It is a super-3 number, since 3×1422543432053 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49055 + ... + 535644.
It is an arithmetic number, because the mean of its divisors is an integer number (6077956500).
Almost surely, 2142254343205 is an apocalyptic number.
It is an amenable number.
142254343205 is a deficient number, since it is larger than the sum of its proper divisors (52240264795).
142254343205 is a wasteful number, since it uses less digits than its factorization.
142254343205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 584933.
The product of its (nonzero) digits is 115200, while the sum is 35.
Adding to 142254343205 its reverse (502343452241), we get a palindrome (644597795446).
The spelling of 142254343205 in words is "one hundred forty-two billion, two hundred fifty-four million, three hundred forty-three thousand, two hundred five".
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