Base | Representation |
---|---|
bin | 1110001110111111000101… |
… | …10000010011101001001110 |
3 | 11002211100221121101111110010 |
4 | 13013133202300103221032 |
5 | 13100314410114001032 |
6 | 150323330443254050 |
7 | 6410303453401365 |
oct | 707374260235116 |
9 | 132740847344403 |
10 | 31301231000142 |
11 | 9a78860972934 |
12 | 361647ab1a326 |
13 | 146090259312c |
14 | 7a2db82147dc |
15 | 39433bd0eccc |
hex | 1c77e2c13a4e |
31301231000142 has 8 divisors (see below), whose sum is σ = 62602462000296. Its totient is φ = 10433743666712.
The previous prime is 31301231000141. The next prime is 31301231000173. The reversal of 31301231000142 is 24100013210313.
It is a sphenic number, since it is the product of 3 distinct primes.
31301231000142 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31301231000141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608435916673 + ... + 2608435916684.
It is an arithmetic number, because the mean of its divisors is an integer number (7825307750037).
Almost surely, 231301231000142 is an apocalyptic number.
31301231000142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31301231000142 is a wasteful number, since it uses less digits than its factorization.
31301231000142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5216871833362.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 31301231000142 its reverse (24100013210313), we get a palindrome (55401244210455).
The spelling of 31301231000142 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, one hundred forty-two", and thus it is an aban number.
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