Base | Representation |
---|---|
bin | 110000000001001101… |
… | …1101101010100000111 |
3 | 100212011121112102221122 |
4 | 1200002123231110013 |
5 | 3142142212024111 |
6 | 115212300104155 |
7 | 10310260550501 |
oct | 1400233552407 |
9 | 325147472848 |
10 | 103120033031 |
11 | 3a8076300a4 |
12 | 17b9a83505b |
13 | 995502cc32 |
14 | 4dc3590d71 |
15 | 2a380ddcdb |
hex | 18026ed507 |
103120033031 has 4 divisors (see below), whose sum is σ = 107603512752. Its totient is φ = 98636553312.
The previous prime is 103120032997. The next prime is 103120033043. The reversal of 103120033031 is 130330021301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130330021301 = 227 ⋅574141063.
It is a cyclic number.
It is not a de Polignac number, because 103120033031 - 226 = 103052924167 is a prime.
It is a super-2 number, since 2×1031200330312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103120033231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241739826 + ... + 2241739871.
It is an arithmetic number, because the mean of its divisors is an integer number (26900878188).
Almost surely, 2103120033031 is an apocalyptic number.
103120033031 is a deficient number, since it is larger than the sum of its proper divisors (4483479721).
103120033031 is an equidigital number, since it uses as much as digits as its factorization.
103120033031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4483479720.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 103120033031 its reverse (130330021301), we get a palindrome (233450054332).
The spelling of 103120033031 in words is "one hundred three billion, one hundred twenty million, thirty-three thousand, thirty-one".
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