Base | Representation |
---|---|
bin | 11101000011101110… |
… | …111001110110100110 |
3 | 2222112110110010212202 |
4 | 131003232321312212 |
5 | 1002344442441014 |
6 | 22200020414502 |
7 | 2153123213063 |
oct | 350356716646 |
9 | 88473403782 |
10 | 31201140134 |
11 | 1226125942a |
12 | 6069247432 |
13 | 2c331984c8 |
14 | 171db93c6a |
15 | c292dc3de |
hex | 743bb9da6 |
31201140134 has 8 divisors (see below), whose sum is σ = 47039282928. Its totient is φ = 15521379160.
The previous prime is 31201140083. The next prime is 31201140137. The reversal of 31201140134 is 43104110213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×312011401343 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31201140137) 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, 39594962 + ... + 39595749.
It is an arithmetic number, because the mean of its divisors is an integer number (5879910366).
Almost surely, 231201140134 is an apocalyptic number.
31201140134 is a deficient number, since it is larger than the sum of its proper divisors (15838142794).
31201140134 is a wasteful number, since it uses less digits than its factorization.
31201140134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79190910.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31201140134 its reverse (43104110213), we get a palindrome (74305250347).
The spelling of 31201140134 in words is "thirty-one billion, two hundred one million, one hundred forty thousand, one hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.366 sec. • engine limits •