Base | Representation |
---|---|
bin | 11101000110000111… |
… | …011011100100011011 |
3 | 2222122020200112121020 |
4 | 131012013123210123 |
5 | 1002440211432443 |
6 | 22204005413523 |
7 | 2154120113346 |
oct | 350607334433 |
9 | 88566615536 |
10 | 31241124123 |
11 | 12281888a50 |
12 | 607a70a2a3 |
13 | 2c3b557981 |
14 | 172520145d |
15 | c2ca89583 |
hex | 7461db91b |
31241124123 has 8 divisors (see below), whose sum is σ = 45441635136. Its totient is φ = 18934014600.
The previous prime is 31241124073. The next prime is 31241124127. The reversal of 31241124123 is 32142114213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31241124123 - 216 = 31241058587 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31241124093 and 31241124102.
It is not an unprimeable number, because it can be changed into a prime (31241124127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473350333 + ... + 473350398.
It is an arithmetic number, because the mean of its divisors is an integer number (5680204392).
Almost surely, 231241124123 is an apocalyptic number.
31241124123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
31241124123 is a deficient number, since it is larger than the sum of its proper divisors (14200511013).
31241124123 is a wasteful number, since it uses less digits than its factorization.
31241124123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 946700745.
The product of its digits is 1152, while the sum is 24.
Adding to 31241124123 its reverse (32142114213), we get a palindrome (63383238336).
The spelling of 31241124123 in words is "thirty-one billion, two hundred forty-one million, one hundred twenty-four thousand, one hundred twenty-three".
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