Base | Representation |
---|---|
bin | 11100111111001001… |
… | …000001010100110011 |
3 | 2222100002111010020101 |
4 | 130333021001110303 |
5 | 1002220232203103 |
6 | 22144225253231 |
7 | 2151166326334 |
oct | 347711012463 |
9 | 88302433211 |
10 | 31124100403 |
11 | 1222181a330 |
12 | 6047494217 |
13 | 2c20233676 |
14 | 171385c28b |
15 | c22670a1d |
hex | 73f241533 |
31124100403 has 8 divisors (see below), whose sum is σ = 33967912896. Its totient is φ = 28282679400.
The previous prime is 31124100383. The next prime is 31124100419. The reversal of 31124100403 is 30400142113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31124100403 - 29 = 31124099891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31124100473) 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, 570601 + ... + 622762.
It is an arithmetic number, because the mean of its divisors is an integer number (4245989112).
Almost surely, 231124100403 is an apocalyptic number.
31124100403 is a deficient number, since it is larger than the sum of its proper divisors (2843812493).
31124100403 is a wasteful number, since it uses less digits than its factorization.
31124100403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1195745.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 31124100403 its reverse (30400142113), we get a palindrome (61524242516).
The spelling of 31124100403 in words is "thirty-one billion, one hundred twenty-four million, one hundred thousand, four hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •