Base | Representation |
---|---|
bin | 101111111110010001… |
… | …0101111000111101111 |
3 | 100211220201120211011202 |
4 | 1133330202233013233 |
5 | 3141441412242033 |
6 | 115154410040115 |
7 | 10304650566113 |
oct | 1377442570757 |
9 | 324821524152 |
10 | 103021212143 |
11 | 3a766874543 |
12 | 17b7171903b |
13 | 993a710035 |
14 | 4db43c9743 |
15 | 2a2e5bd8e8 |
hex | 17fc8af1ef |
103021212143 has 2 divisors, whose sum is σ = 103021212144. Its totient is φ = 103021212142.
The previous prime is 103021212103. The next prime is 103021212163. The reversal of 103021212143 is 341212120301.
It is an a-pointer prime, because the next prime (103021212163) can be obtained adding 103021212143 to its sum of digits (20).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 103021212143 - 226 = 102954103279 is a prime.
It is a super-2 number, since 2×1030212121432 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103021212103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510606071 + 51510606072.
It is an arithmetic number, because the mean of its divisors is an integer number (51510606072).
Almost surely, 2103021212143 is an apocalyptic number.
103021212143 is a deficient number, since it is larger than the sum of its proper divisors (1).
103021212143 is an equidigital number, since it uses as much as digits as its factorization.
103021212143 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 103021212143 its reverse (341212120301), we get a palindrome (444233332444).
The spelling of 103021212143 in words is "one hundred three billion, twenty-one million, two hundred twelve thousand, one hundred forty-three".
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