Base | Representation |
---|---|
bin | 1000010010001000001… |
… | …1011000111011100101 |
3 | 111121022111101221012201 |
4 | 2010202003120323211 |
5 | 4312420120002121 |
6 | 145212451014501 |
7 | 13165312352032 |
oct | 2044203307345 |
9 | 447274357181 |
10 | 142305234661 |
11 | 55395660057 |
12 | 236b589a431 |
13 | 1055b34a985 |
14 | 6c5d860389 |
15 | 3a7d2c8e91 |
hex | 21220d8ee5 |
142305234661 has 8 divisors (see below), whose sum is σ = 143650713600. Its totient is φ = 140964961488.
The previous prime is 142305234641. The next prime is 142305234707. The reversal of 142305234661 is 166432503241.
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 142305234661 - 235 = 107945496293 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142305234661.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142305234641) 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, 1246501 + ... + 1355866.
It is an arithmetic number, because the mean of its divisors is an integer number (17956339200).
Almost surely, 2142305234661 is an apocalyptic number.
It is an amenable number.
142305234661 is a deficient number, since it is larger than the sum of its proper divisors (1345478939).
142305234661 is a wasteful number, since it uses less digits than its factorization.
142305234661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2602883.
The product of its (nonzero) digits is 103680, while the sum is 37.
The spelling of 142305234661 in words is "one hundred forty-two billion, three hundred five million, two hundred thirty-four thousand, six hundred sixty-one".
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