Base | Representation |
---|---|
bin | 101111111101111110… |
… | …0111110010111100001 |
3 | 100211220000221220021022 |
4 | 1133323330332113201 |
5 | 3141431344004441 |
6 | 115153413535225 |
7 | 10304500500023 |
oct | 1377374762741 |
9 | 324800856238 |
10 | 103011313121 |
11 | 3a761223232 |
12 | 17b6a344515 |
13 | 9938655422 |
14 | 4db2d70013 |
15 | 2a2d7b584b |
hex | 17fbf3e5e1 |
103011313121 has 4 divisors (see below), whose sum is σ = 108432961200. Its totient is φ = 97589665044.
The previous prime is 103011313117. The next prime is 103011313123. The reversal of 103011313121 is 121313110301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 103011313121 - 22 = 103011313117 is a prime.
It is a super-2 number, since 2×1030113131212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 103011313121.
It is not an unprimeable number, because it can be changed into a prime (103011313123) 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, 2710824011 + ... + 2710824048.
It is an arithmetic number, because the mean of its divisors is an integer number (27108240300).
Almost surely, 2103011313121 is an apocalyptic number.
It is an amenable number.
103011313121 is a deficient number, since it is larger than the sum of its proper divisors (5421648079).
103011313121 is an equidigital number, since it uses as much as digits as its factorization.
103011313121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5421648078.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 103011313121 its reverse (121313110301), we get a palindrome (224324423422).
The spelling of 103011313121 in words is "one hundred three billion, eleven million, three hundred thirteen thousand, one hundred twenty-one".
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