Base | Representation |
---|---|
bin | 111000011111000101… |
… | …1010010001111111011 |
3 | 102121002202112202020121 |
4 | 1300332023102033323 |
5 | 3441411332330021 |
6 | 131420411434111 |
7 | 11522660641234 |
oct | 1607613221773 |
9 | 377082482217 |
10 | 121302230011 |
11 | 47497a45876 |
12 | 1b613a55937 |
13 | b591c23381 |
14 | 5c2a28808b |
15 | 324e486741 |
hex | 1c3e2d23fb |
121302230011 has 4 divisors (see below), whose sum is σ = 121316218432. Its totient is φ = 121288241592.
The previous prime is 121302229987. The next prime is 121302230047. The reversal of 121302230011 is 110032203121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 121302230011 - 27 = 121302229883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121306230011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6981195 + ... + 6998548.
It is an arithmetic number, because the mean of its divisors is an integer number (30329054608).
Almost surely, 2121302230011 is an apocalyptic number.
121302230011 is a deficient number, since it is larger than the sum of its proper divisors (13988421).
121302230011 is an equidigital number, since it uses as much as digits as its factorization.
121302230011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13988420.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 121302230011 its reverse (110032203121), we get a palindrome (231334433132).
The spelling of 121302230011 in words is "one hundred twenty-one billion, three hundred two million, two hundred thirty thousand, eleven".
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