Base | Representation |
---|---|
bin | 10111001101111010011111… |
… | …101001101100100101011011 |
3 | 111101112201221020220210020111 |
4 | 113031322133221230211123 |
5 | 101340442300114043341 |
6 | 1001101130230105151 |
7 | 30336202331442601 |
oct | 2715723751544533 |
9 | 441481836823214 |
10 | 102111231002971 |
11 | 2a5991479598a3 |
12 | b551a107ab1b7 |
13 | 44c9080c35028 |
14 | 1b302d2165871 |
15 | bc12329a6681 |
hex | 5cde9fa6c95b |
102111231002971 has 2 divisors, whose sum is σ = 102111231002972. Its totient is φ = 102111231002970.
The previous prime is 102111231002969. The next prime is 102111231003013. The reversal of 102111231002971 is 179200132111201.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 102111231002971 - 21 = 102111231002969 is a prime.
It is a super-2 number, since 2×1021112310029712 (a number of 29 digits) contains 22 as substring.
Together with 102111231002969, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (102111231002471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055615501485 + 51055615501486.
It is an arithmetic number, because the mean of its divisors is an integer number (51055615501486).
Almost surely, 2102111231002971 is an apocalyptic number.
102111231002971 is a deficient number, since it is larger than the sum of its proper divisors (1).
102111231002971 is an equidigital number, since it uses as much as digits as its factorization.
102111231002971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1512, while the sum is 31.
The spelling of 102111231002971 in words is "one hundred two trillion, one hundred eleven billion, two hundred thirty-one million, two thousand, nine hundred seventy-one".
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