Base | Representation |
---|---|
bin | 101111111110010100… |
… | …1101000100011000111 |
3 | 100211220211222200101222 |
4 | 1133330221220203013 |
5 | 3141442343121411 |
6 | 115154512510555 |
7 | 10305002136365 |
oct | 1377451504307 |
9 | 324824880358 |
10 | 103023020231 |
11 | 3a767899a2a |
12 | 17b7224b45b |
13 | 993abc4001 |
14 | 4db473a635 |
15 | 2a2e8294db |
hex | 17fca688c7 |
103023020231 has 32 divisors (see below), whose sum is σ = 111416618880. Its totient is φ = 95064883200.
The previous prime is 103023020201. The next prime is 103023020251. The reversal of 103023020231 is 132020320301.
It is a cyclic number.
It is not a de Polignac number, because 103023020231 - 26 = 103023020167 is a prime.
It is a super-2 number, since 2×1030230202312 (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 (103023020201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18637190 + ... + 18642716.
It is an arithmetic number, because the mean of its divisors is an integer number (3481769340).
Almost surely, 2103023020231 is an apocalyptic number.
103023020231 is a deficient number, since it is larger than the sum of its proper divisors (8393598649).
103023020231 is a wasteful number, since it uses less digits than its factorization.
103023020231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5915.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 103023020231 its reverse (132020320301), we get a palindrome (235043340532).
The spelling of 103023020231 in words is "one hundred three billion, twenty-three million, twenty thousand, two hundred thirty-one".
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