Base | Representation |
---|---|
bin | 111000011111000011… |
… | …1011001111101010101 |
3 | 102121002200122002012000 |
4 | 1300332013121331111 |
5 | 3441411102304023 |
6 | 131420333545513 |
7 | 11522646204231 |
oct | 1607607317525 |
9 | 377080562160 |
10 | 121301213013 |
11 | 47497410782 |
12 | 1b613645299 |
13 | b5919584b6 |
14 | 5c2a0a15c1 |
15 | 324e335243 |
hex | 1c3e1d9f55 |
121301213013 has 16 divisors (see below), whose sum is σ = 180744267840. Its totient is φ = 80400030192.
The previous prime is 121301212961. The next prime is 121301213029. The reversal of 121301213013 is 310312103121.
It is not a de Polignac number, because 121301213013 - 214 = 121301196629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121301213113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12979831 + ... + 12989172.
It is an arithmetic number, because the mean of its divisors is an integer number (11296516740).
Almost surely, 2121301213013 is an apocalyptic number.
It is an amenable number.
121301213013 is a deficient number, since it is larger than the sum of its proper divisors (59443054827).
121301213013 is a wasteful number, since it uses less digits than its factorization.
121301213013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25969185 (or 25969179 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 121301213013 its reverse (310312103121), we get a palindrome (431613316134).
The spelling of 121301213013 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirteen thousand, thirteen".
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