Base | Representation |
---|---|
bin | 111000011111000011… |
… | …1110000001111110111 |
3 | 102121002200210201102102 |
4 | 1300332013300033313 |
5 | 3441411113214221 |
6 | 131420335532315 |
7 | 11522650034345 |
oct | 1607607601767 |
9 | 377080721372 |
10 | 121301304311 |
11 | 47497473330 |
12 | 1b61368a09b |
13 | b59198ac15 |
14 | 5c2a0c6995 |
15 | 324e35230b |
hex | 1c3e1f03f7 |
121301304311 has 8 divisors (see below), whose sum is σ = 132796291584. Its totient is φ = 109884249720.
The previous prime is 121301304301. The next prime is 121301304329. The reversal of 121301304311 is 113403103121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121301304311 - 214 = 121301287927 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121301304301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19479911 + ... + 19486136.
It is an arithmetic number, because the mean of its divisors is an integer number (16599536448).
Almost surely, 2121301304311 is an apocalyptic number.
121301304311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
121301304311 is a deficient number, since it is larger than the sum of its proper divisors (11494987273).
121301304311 is a wasteful number, since it uses less digits than its factorization.
121301304311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38966341.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 121301304311 its reverse (113403103121), we get a palindrome (234704407432).
The spelling of 121301304311 in words is "one hundred twenty-one billion, three hundred one million, three hundred four thousand, three hundred eleven".
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