Base | Representation |
---|---|
bin | 1000010001110010111… |
… | …1111100101001100101 |
3 | 111121002021222010221210 |
4 | 2010130233330221211 |
5 | 4312224330031010 |
6 | 145155551502033 |
7 | 13163152124262 |
oct | 2043457745145 |
9 | 447067863853 |
10 | 142216252005 |
11 | 5534a404073 |
12 | 2368bb27919 |
13 | 10545a93b09 |
14 | 6c51ada269 |
15 | 3a7559db20 |
hex | 211cbfca65 |
142216252005 has 16 divisors (see below), whose sum is σ = 239522109120. Its totient is φ = 71856632448.
The previous prime is 142216251973. The next prime is 142216252027. The reversal of 142216252005 is 500252612241.
It is not a de Polignac number, because 142216252005 - 25 = 142216251973 is a prime.
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, 249501912 + ... + 249502481.
It is an arithmetic number, because the mean of its divisors is an integer number (14970131820).
Almost surely, 2142216252005 is an apocalyptic number.
142216252005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142216252005 is a deficient number, since it is larger than the sum of its proper divisors (97305857115).
142216252005 is a wasteful number, since it uses less digits than its factorization.
142216252005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499004420.
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 142216252005 its reverse (500252612241), we get a palindrome (642468864246).
The spelling of 142216252005 in words is "one hundred forty-two billion, two hundred sixteen million, two hundred fifty-two thousand, five".
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