Base | Representation |
---|---|
bin | 1000010001011001111… |
… | …0110110010001110001 |
3 | 111120210222010011222021 |
4 | 2010112132312101301 |
5 | 4312020420344121 |
6 | 145141314111441 |
7 | 13160434320523 |
oct | 2042636662161 |
9 | 446728104867 |
10 | 142111106161 |
11 | 552a6018482 |
12 | 2366087b581 |
13 | 1052a06b03b |
14 | 6c41b69a13 |
15 | 3a6b22e641 |
hex | 21167b6471 |
142111106161 has 16 divisors (see below), whose sum is σ = 155349273600. Its totient is φ = 129416394240.
The previous prime is 142111106147. The next prime is 142111106183. The reversal of 142111106161 is 161601111241.
It is a cyclic number.
It is not a de Polignac number, because 142111106161 - 25 = 142111106129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142111106141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991165 + ... + 4026613.
It is an arithmetic number, because the mean of its divisors is an integer number (9709329600).
Almost surely, 2142111106161 is an apocalyptic number.
It is an amenable number.
142111106161 is a deficient number, since it is larger than the sum of its proper divisors (13238167439).
142111106161 is a wasteful number, since it uses less digits than its factorization.
142111106161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43104.
The product of its (nonzero) digits is 288, while the sum is 25.
The spelling of 142111106161 in words is "one hundred forty-two billion, one hundred eleven million, one hundred six thousand, one hundred sixty-one".
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