Base | Representation |
---|---|
bin | 11110110110100110100… |
… | …000001011101011001101 |
3 | 21111200122020120000010112 |
4 | 132312212200023223031 |
5 | 234214143324044323 |
6 | 4302002340245405 |
7 | 306115560313634 |
oct | 36664640135315 |
9 | 7450566500115 |
10 | 2120212331213 |
11 | 7481a4650549 |
12 | 2a2ab29a0865 |
13 | 124c207326c2 |
14 | 748940a851b |
15 | 3a241926178 |
hex | 1eda680bacd |
2120212331213 has 8 divisors (see below), whose sum is σ = 2124031410432. Its totient is φ = 2116396471696.
The previous prime is 2120212331173. The next prime is 2120212331219. The reversal of 2120212331213 is 3121332120212.
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 2120212331213 - 218 = 2120212069069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120212331219) 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, 515231 + ... + 2122707.
It is an arithmetic number, because the mean of its divisors is an integer number (265503926304).
Almost surely, 22120212331213 is an apocalyptic number.
It is an amenable number.
2120212331213 is a deficient number, since it is larger than the sum of its proper divisors (3819079219).
2120212331213 is a wasteful number, since it uses less digits than its factorization.
2120212331213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1609851.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 2120212331213 its reverse (3121332120212), we get a palindrome (5241544451425).
The spelling of 2120212331213 in words is "two trillion, one hundred twenty billion, two hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".
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