Base | Representation |
---|---|
bin | 11100111001000111… |
… | …110001011111011000 |
3 | 2222002001110021120221 |
4 | 130321013301133120 |
5 | 1002013404010404 |
6 | 22130220525424 |
7 | 2145532041100 |
oct | 347107613730 |
9 | 88061407527 |
10 | 31023110104 |
11 | 1217a811878 |
12 | 60196b0874 |
13 | 2c053341ac |
14 | 1704290200 |
15 | c18872954 |
hex | 7391f17d8 |
31023110104 has 24 divisors (see below), whose sum is σ = 67665202740. Its totient is φ = 13295618448.
The previous prime is 31023110071. The next prime is 31023110227. The reversal of 31023110104 is 40101132013.
It is a super-3 number, since 3×310231101043 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39569902 + ... + 39570685.
Almost surely, 231023110104 is an apocalyptic number.
It is an amenable number.
31023110104 is an abundant number, since it is smaller than the sum of its proper divisors (36642092636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31023110104 is a wasteful number, since it uses less digits than its factorization.
31023110104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79140607 (or 79140596 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 31023110104 its reverse (40101132013), we get a palindrome (71124242117).
The spelling of 31023110104 in words is "thirty-one billion, twenty-three million, one hundred ten thousand, one hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •