Base | Representation |
---|---|
bin | 100100101110110000000110… |
… | …110101100100111010110101 |
3 | 210011222022020022210110112210 |
4 | 210232300012311210322311 |
5 | 132133202341202122201 |
6 | 1331323322042204033 |
7 | 46012024606351050 |
oct | 4456600665447265 |
9 | 704868208713483 |
10 | 161542424645301 |
11 | 475218373455a7 |
12 | 161500071b3619 |
13 | 6c1a5015c783b |
14 | 2bc69a33b9a97 |
15 | 13a2150ee71d6 |
hex | 92ec06d64eb5 |
161542424645301 has 32 divisors (see below), whose sum is σ = 246345913958400. Its totient is φ = 92240206606080.
The previous prime is 161542424645281. The next prime is 161542424645317. The reversal of 161542424645301 is 103546424245161.
161542424645301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 161542424645301 - 211 = 161542424643253 is a prime.
It is a super-2 number, since 2×1615424246453012 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161542424640301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382490236 + ... + 382912346.
It is an arithmetic number, because the mean of its divisors is an integer number (7698309811200).
Almost surely, 2161542424645301 is an apocalyptic number.
It is an amenable number.
161542424645301 is a deficient number, since it is larger than the sum of its proper divisors (84803489313099).
161542424645301 is a wasteful number, since it uses less digits than its factorization.
161542424645301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435849.
The product of its (nonzero) digits is 2764800, while the sum is 48.
The spelling of 161542424645301 in words is "one hundred sixty-one trillion, five hundred forty-two billion, four hundred twenty-four million, six hundred forty-five thousand, three hundred one".
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