Base | Representation |
---|---|
bin | 1000010011000011000… |
… | …1100100001000101101 |
3 | 111121221201011002200110 |
4 | 2010300301210020231 |
5 | 4313421332021310 |
6 | 145253152450233 |
7 | 13204401610353 |
oct | 2046061441055 |
9 | 447851132613 |
10 | 142552220205 |
11 | 55502014a3a |
12 | 23764549979 |
13 | 1059a576275 |
14 | 6c845937d3 |
15 | 3a94d14d20 |
hex | 2130c6422d |
142552220205 has 16 divisors (see below), whose sum is σ = 228578321664. Its totient is φ = 75862927680.
The previous prime is 142552220093. The next prime is 142552220243. The reversal of 142552220205 is 502022255241.
It is not a de Polignac number, because 142552220205 - 27 = 142552220077 is a prime.
It is a super-2 number, since 2×1425522202052 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10300549 + ... + 10314378.
It is an arithmetic number, because the mean of its divisors is an integer number (14286145104).
Almost surely, 2142552220205 is an apocalyptic number.
142552220205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142552220205 is a deficient number, since it is larger than the sum of its proper divisors (86026101459).
142552220205 is a wasteful number, since it uses less digits than its factorization.
142552220205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20615396.
The product of its (nonzero) digits is 16000, while the sum is 30.
Adding to 142552220205 its reverse (502022255241), we get a palindrome (644574475446).
The spelling of 142552220205 in words is "one hundred forty-two billion, five hundred fifty-two million, two hundred twenty thousand, two hundred five".
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