Base | Representation |
---|---|
bin | 11000011010000000… |
… | …11001111101101010 |
3 | 1020211011211001121000 |
4 | 30031000121331222 |
5 | 203313344041132 |
6 | 10004113055430 |
7 | 642464420556 |
oct | 141500317552 |
9 | 36734731530 |
10 | 13103112042 |
11 | 5614402019 |
12 | 2658257576 |
13 | 130a864b47 |
14 | 8c432a866 |
15 | 51a51d87c |
hex | 30d019f6a |
13103112042 has 32 divisors (see below), whose sum is σ = 29445206400. Its totient is φ = 4318627104.
The previous prime is 13103112017. The next prime is 13103112053. The reversal of 13103112042 is 24021130131.
13103112042 is a `hidden beast` number, since 1 + 310 + 311 + 2 + 0 + 42 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358398 + ... + 1368009.
It is an arithmetic number, because the mean of its divisors is an integer number (920162700).
Almost surely, 213103112042 is an apocalyptic number.
13103112042 is an abundant number, since it is smaller than the sum of its proper divisors (16342094358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13103112042 is a wasteful number, since it uses less digits than its factorization.
13103112042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2726507 (or 2726501 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13103112042 its reverse (24021130131), we get a palindrome (37124242173).
The spelling of 13103112042 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •