Base | Representation |
---|---|
bin | 1000010001101010101… |
… | …1000010111001100111 |
3 | 111120222212102010002002 |
4 | 2010122223002321213 |
5 | 4312141420144310 |
6 | 145152305035515 |
7 | 13162250031245 |
oct | 2043253027147 |
9 | 446885363062 |
10 | 142181412455 |
11 | 55331778655 |
12 | 23680325b9b |
13 | 1053b7b60b4 |
14 | 6c4b22b795 |
15 | 3a724bada5 |
hex | 211aac2e67 |
142181412455 has 16 divisors (see below), whose sum is σ = 173044309824. Its totient is φ = 112127823360.
The previous prime is 142181412433. The next prime is 142181412509. The reversal of 142181412455 is 554214181241.
It is not a de Polignac number, because 142181412455 - 26 = 142181412391 is a prime.
It is a Duffinian number.
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, 3084437 + ... + 3130193.
It is an arithmetic number, because the mean of its divisors is an integer number (10815269364).
Almost surely, 2142181412455 is an apocalyptic number.
142181412455 is a deficient number, since it is larger than the sum of its proper divisors (30862897369).
142181412455 is an equidigital number, since it uses as much as digits as its factorization.
142181412455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54586.
The product of its digits is 51200, while the sum is 38.
Adding to 142181412455 its reverse (554214181241), we get a palindrome (696395593696).
The spelling of 142181412455 in words is "one hundred forty-two billion, one hundred eighty-one million, four hundred twelve thousand, four hundred fifty-five".
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