Base | Representation |
---|---|
bin | 110000000011111010… |
… | …0000101111000111111 |
3 | 100212101220102001100200 |
4 | 1200013310011320333 |
5 | 3142333314424411 |
6 | 115225243054543 |
7 | 10312435112316 |
oct | 1400764057077 |
9 | 325356361320 |
10 | 103210311231 |
11 | 3a853591485 |
12 | 18004b11453 |
13 | 996a94b6a1 |
14 | 4dd157127d |
15 | 2a40ec2e56 |
hex | 1807d05e3f |
103210311231 has 12 divisors (see below), whose sum is σ = 151608367560. Its totient is φ = 67640655600.
The previous prime is 103210311203. The next prime is 103210311233. The reversal of 103210311231 is 132113012301.
103210311231 is a `hidden beast` number, since 1 + 0 + 321 + 0 + 311 + 2 + 31 = 666.
It is not a de Polignac number, because 103210311231 - 217 = 103210180159 is a prime.
It is a super-2 number, since 2×1032103112312 (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 (103210311233) 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 11 ways as a sum of consecutive naturals, for example, 97184320 + ... + 97185381.
It is an arithmetic number, because the mean of its divisors is an integer number (12634030630).
Almost surely, 2103210311231 is an apocalyptic number.
103210311231 is a deficient number, since it is larger than the sum of its proper divisors (48398056329).
103210311231 is a wasteful number, since it uses less digits than its factorization.
103210311231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194369766 (or 194369763 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 103210311231 its reverse (132113012301), we get a palindrome (235323323532).
The spelling of 103210311231 in words is "one hundred three billion, two hundred ten million, three hundred eleven thousand, two hundred thirty-one".
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