Base | Representation |
---|---|
bin | 10111001101110011000001… |
… | …110000010101001001011011 |
3 | 111101111222020111001212011011 |
4 | 113031303001300111021123 |
5 | 101340324340041421411 |
6 | 1001053322453314351 |
7 | 30335466543511264 |
oct | 2715630160251133 |
9 | 441458214055134 |
10 | 102103213232731 |
11 | 2a5958030543a7 |
12 | b5503536359b7 |
13 | 44c83a3b0c699 |
14 | 1b2db7139396b |
15 | bc0e13b4ac21 |
hex | 5cdcc1c1525b |
102103213232731 has 2 divisors, whose sum is σ = 102103213232732. Its totient is φ = 102103213232730.
The previous prime is 102103213232651. The next prime is 102103213232759. The reversal of 102103213232731 is 137232312301201.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102103213232731 is a prime.
It is a super-2 number, since 2×1021032132327312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102103213232693 and 102103213232702.
It is not a weakly prime, because it can be changed into another prime (102103213242731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051606616365 + 51051606616366.
It is an arithmetic number, because the mean of its divisors is an integer number (51051606616366).
Almost surely, 2102103213232731 is an apocalyptic number.
102103213232731 is a deficient number, since it is larger than the sum of its proper divisors (1).
102103213232731 is an equidigital number, since it uses as much as digits as its factorization.
102103213232731 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9072, while the sum is 31.
Adding to 102103213232731 its reverse (137232312301201), we get a palindrome (239335525533932).
The spelling of 102103213232731 in words is "one hundred two trillion, one hundred three billion, two hundred thirteen million, two hundred thirty-two thousand, seven hundred thirty-one".
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