Base | Representation |
---|---|
bin | 1011100011100110… |
… | …1001110000010110 |
3 | 22000012012001222201 |
4 | 2320321221300112 |
5 | 22323120332412 |
6 | 1231453115114 |
7 | 136605410332 |
oct | 27071516026 |
9 | 8005161881 |
10 | 3102120982 |
11 | 1352080454 |
12 | 726a88a9a |
13 | 3a58bb55c |
14 | 215dca7c2 |
15 | 132516e57 |
hex | b8e69c16 |
3102120982 has 4 divisors (see below), whose sum is σ = 4653181476. Its totient is φ = 1551060490.
The previous prime is 3102120953. The next prime is 3102120991. The reversal of 3102120982 is 2890212013.
3102120982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2890212013 = 13 ⋅222324001.
It is a self number, because there is not a number n which added to its sum of digits gives 3102120982.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775530244 + ... + 775530247.
It is an arithmetic number, because the mean of its divisors is an integer number (1163295369).
Almost surely, 23102120982 is an apocalyptic number.
3102120982 is a deficient number, since it is larger than the sum of its proper divisors (1551060494).
3102120982 is a wasteful number, since it uses less digits than its factorization.
3102120982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1551060493.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 3102120982 is about 55696.6873521218. The cubic root of 3102120982 is about 1458.4321980046.
Adding to 3102120982 its reverse (2890212013), we get a palindrome (5992332995).
It can be divided in two parts, 31021 and 20982, that added together give a triangular number (52003 = T322).
The spelling of 3102120982 in words is "three billion, one hundred two million, one hundred twenty thousand, nine hundred eighty-two".
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