Base | Representation |
---|---|
bin | 1100010001101… |
… | …00100110100111 |
3 | 21011202201101122 |
4 | 12020310212213 |
5 | 202330212121 |
6 | 14115044155 |
7 | 2360165213 |
oct | 610644647 |
9 | 234681348 |
10 | 102975911 |
11 | 53144365 |
12 | 2a5a065b |
13 | 184461bc |
14 | d967943 |
15 | 90915ab |
hex | 62349a7 |
102975911 has 4 divisors (see below), whose sum is σ = 103001592. Its totient is φ = 102950232.
The previous prime is 102975889. The next prime is 102975949. The reversal of 102975911 is 119579201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119579201 = 7 ⋅17082743.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102975911 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102975011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381 + ... + 15326.
It is an arithmetic number, because the mean of its divisors is an integer number (25750398).
Almost surely, 2102975911 is an apocalyptic number.
102975911 is a deficient number, since it is larger than the sum of its proper divisors (25681).
102975911 is an equidigital number, since it uses as much as digits as its factorization.
102975911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25680.
The product of its (nonzero) digits is 5670, while the sum is 35.
The square root of 102975911 is about 10147.7047158458. The cubic root of 102975911 is about 468.7182687617.
The spelling of 102975911 in words is "one hundred two million, nine hundred seventy-five thousand, nine hundred eleven".
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