Base | Representation |
---|---|
bin | 1110001001001000110100… |
… | …10110111110010000101110 |
3 | 11002010011022102001110011210 |
4 | 13010210122112332100232 |
5 | 13034021403401421032 |
6 | 150051140351455250 |
7 | 6356631302553222 |
oct | 704443226762056 |
9 | 132104272043153 |
10 | 31100300420142 |
11 | 9a00621893158 |
12 | 35a3543827526 |
13 | 1447990531605 |
14 | 7973966d6782 |
15 | 38decbd1d2cc |
hex | 1c491a5be42e |
31100300420142 has 8 divisors (see below), whose sum is σ = 62200600840296. Its totient is φ = 10366766806712.
The previous prime is 31100300420027. The next prime is 31100300420159. The reversal of 31100300420142 is 24102400300113.
It is a sphenic number, since it is the product of 3 distinct primes.
31100300420142 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591691701673 + ... + 2591691701684.
It is an arithmetic number, because the mean of its divisors is an integer number (7775075105037).
Almost surely, 231100300420142 is an apocalyptic number.
31100300420142 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.
31100300420142 is a wasteful number, since it uses less digits than its factorization.
31100300420142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5183383403362.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 31100300420142 its reverse (24102400300113), we get a palindrome (55202700720255).
The spelling of 31100300420142 in words is "thirty-one trillion, one hundred billion, three hundred million, four hundred twenty thousand, one hundred forty-two".
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