Base | Representation |
---|---|
bin | 101111111101111110… |
… | …0101010010111111111 |
3 | 100211220000210201221100 |
4 | 1133323330222113333 |
5 | 3141431333344411 |
6 | 115153412104143 |
7 | 10304500006206 |
oct | 1377374522777 |
9 | 324800721840 |
10 | 103011231231 |
11 | 3a761177757 |
12 | 17b6a305053 |
13 | 993862707c |
14 | 4db2d4c23d |
15 | 2a2d79b456 |
hex | 17fbf2a5ff |
103011231231 has 36 divisors (see below), whose sum is σ = 157235560560. Its totient is φ = 64977647040.
The previous prime is 103011231217. The next prime is 103011231241. The reversal of 103011231231 is 132132110301.
103011231231 is a `hidden beast` number, since 10 + 301 + 12 + 312 + 31 = 666.
It is not a de Polignac number, because 103011231231 - 25 = 103011231199 is a prime.
It is a super-2 number, since 2×1030112312312 (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 (103011231241) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2608846 + ... + 2648036.
It is an arithmetic number, because the mean of its divisors is an integer number (4367654460).
Almost surely, 2103011231231 is an apocalyptic number.
103011231231 is a deficient number, since it is larger than the sum of its proper divisors (54224329329).
103011231231 is a wasteful number, since it uses less digits than its factorization.
103011231231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40044 (or 40022 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 103011231231 its reverse (132132110301), we get a palindrome (235143341532).
The spelling of 103011231231 in words is "one hundred three billion, eleven million, two hundred thirty-one thousand, two hundred thirty-one".
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