Base | Representation |
---|---|
bin | 110000000000101101… |
… | …1001110101001110111 |
3 | 100212010102201200200000 |
4 | 1200001123032221313 |
5 | 3142123400131411 |
6 | 115210453522343 |
7 | 10306664101263 |
oct | 1400133165167 |
9 | 325112650600 |
10 | 103103130231 |
11 | 3a7a9035842 |
12 | 17b950433b3 |
13 | 995169248a |
14 | 4dc12310a3 |
15 | 2a368a0956 |
hex | 18016cea77 |
103103130231 has 48 divisors (see below), whose sum is σ = 156713217024. Its totient is φ = 67726736064.
The previous prime is 103103130227. The next prime is 103103130271. The reversal of 103103130231 is 132031301301.
It is a happy number.
103103130231 is a `hidden beast` number, since 10 + 310 + 313 + 0 + 2 + 31 = 666.
It is not a de Polignac number, because 103103130231 - 22 = 103103130227 is a prime.
It is a super-2 number, since 2×1031031302312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103103130211) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23182650 + ... + 23187096.
It is an arithmetic number, because the mean of its divisors is an integer number (3264858688).
Almost surely, 2103103130231 is an apocalyptic number.
103103130231 is a deficient number, since it is larger than the sum of its proper divisors (53610086793).
103103130231 is an equidigital number, since it uses as much as digits as its factorization.
103103130231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5842 (or 5830 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 103103130231 its reverse (132031301301), we get a palindrome (235134431532).
The spelling of 103103130231 in words is "one hundred three billion, one hundred three million, one hundred thirty thousand, two hundred thirty-one".
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