Base | Representation |
---|---|
bin | 10111001100011110000101… |
… | …101100001110100101100111 |
3 | 111101012020211110101010100120 |
4 | 113030132011230032211213 |
5 | 101332331044332223421 |
6 | 1000543400533413023 |
7 | 30326060510226441 |
oct | 2714360554164547 |
9 | 441166743333316 |
10 | 102012011211111 |
11 | 2a560061976711 |
12 | b53674019a173 |
13 | 44bc8cac68a11 |
14 | 1b2959c99b491 |
15 | bbd876ed48c6 |
hex | 5cc785b0e967 |
102012011211111 has 32 divisors (see below), whose sum is σ = 136377209392128. Its totient is φ = 67827653752320.
The previous prime is 102012011211067. The next prime is 102012011211119. The reversal of 102012011211111 is 111112110210201.
It is not a de Polignac number, because 102012011211111 - 214 = 102012011194727 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102012011211119) 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, 11751177691 + ... + 11751186371.
It is an arithmetic number, because the mean of its divisors is an integer number (4261787793504).
Almost surely, 2102012011211111 is an apocalyptic number.
102012011211111 is a deficient number, since it is larger than the sum of its proper divisors (34365198181017).
102012011211111 is a wasteful number, since it uses less digits than its factorization.
102012011211111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14551.
The product of its (nonzero) digits is 8, while the sum is 15.
Adding to 102012011211111 its reverse (111112110210201), we get a palindrome (213124121421312).
The spelling of 102012011211111 in words is "one hundred two trillion, twelve billion, eleven million, two hundred eleven thousand, one hundred eleven".
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