Base | Representation |
---|---|
bin | 1011100011100110… |
… | …1001110010110111 |
3 | 22000012012002012200 |
4 | 2320321221302313 |
5 | 22323120334033 |
6 | 1231453115543 |
7 | 136605410652 |
oct | 27071516267 |
9 | 8005162180 |
10 | 3102121143 |
11 | 1352080590 |
12 | 726a88bb3 |
13 | 3a58bb654 |
14 | 215dca899 |
15 | 132517013 |
hex | b8e69cb7 |
3102121143 has 48 divisors (see below), whose sum is σ = 4982714880. Its totient is φ = 1844078400.
The previous prime is 3102121129. The next prime is 3102121151. The reversal of 3102121143 is 3411212013.
3102121143 is a `hidden beast` number, since 310 + 212 + 1 + 143 = 666.
It is a de Polignac number, because none of the positive numbers 2k-3102121143 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3102121153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110078 + ... + 1112868.
It is an arithmetic number, because the mean of its divisors is an integer number (103806560).
Almost surely, 23102121143 is an apocalyptic number.
3102121143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
3102121143 is a deficient number, since it is larger than the sum of its proper divisors (1880593737).
3102121143 is a wasteful number, since it uses less digits than its factorization.
3102121143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3020 (or 3017 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 3102121143 is about 55696.6887974501. The cubic root of 3102121143 is about 1458.4322232355.
Adding to 3102121143 its reverse (3411212013), we get a palindrome (6513333156).
The spelling of 3102121143 in words is "three billion, one hundred two million, one hundred twenty-one thousand, one hundred forty-three".
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