Base | Representation |
---|---|
bin | 11000011110011100… |
… | …00000010010101110 |
3 | 1020220202122220200220 |
4 | 30033032000102232 |
5 | 203402344400332 |
6 | 10011520432210 |
7 | 643425060240 |
oct | 141716002256 |
9 | 36822586626 |
10 | 13140231342 |
11 | 5633355327 |
12 | 2668778666 |
13 | 1315460424 |
14 | 8c9230090 |
15 | 51d901d2c |
hex | 30f3804ae |
13140231342 has 16 divisors (see below), whose sum is σ = 30034814592. Its totient is φ = 3754351800.
The previous prime is 13140231341. The next prime is 13140231353. The reversal of 13140231342 is 24313204131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13140231341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156431284 + ... + 156431367.
It is an arithmetic number, because the mean of its divisors is an integer number (1877175912).
Almost surely, 213140231342 is an apocalyptic number.
13140231342 is an abundant number, since it is smaller than the sum of its proper divisors (16894583250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13140231342 is a wasteful number, since it uses less digits than its factorization.
13140231342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312862663.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 13140231342 its reverse (24313204131), we get a palindrome (37453435473).
The spelling of 13140231342 in words is "thirteen billion, one hundred forty million, two hundred thirty-one thousand, three hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •