Base | Representation |
---|---|
bin | 11110110110100101111… |
… | …001100101011101011101 |
3 | 21111200121112111221211210 |
4 | 132312211321211131131 |
5 | 234214133231310323 |
6 | 4302001335335033 |
7 | 306115405313250 |
oct | 36664571453535 |
9 | 7450545457753 |
10 | 2120202213213 |
11 | 74819996a767 |
12 | 2a2aab521479 |
13 | 124c1b5cc216 |
14 | 748929d3097 |
15 | 3a240ac8293 |
hex | 1eda5e6575d |
2120202213213 has 32 divisors (see below), whose sum is σ = 3288378580992. Its totient is φ = 1190072217600.
The previous prime is 2120202213193. The next prime is 2120202213271. The reversal of 2120202213213 is 3123122020212.
It is not a de Polignac number, because 2120202213213 - 28 = 2120202212957 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 2120202213213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120202213013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2219556 + ... + 3027677.
It is an arithmetic number, because the mean of its divisors is an integer number (102761830656).
Almost surely, 22120202213213 is an apocalyptic number.
It is an amenable number.
2120202213213 is a deficient number, since it is larger than the sum of its proper divisors (1168176367779).
2120202213213 is a wasteful number, since it uses less digits than its factorization.
2120202213213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5247585.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2120202213213 its reverse (3123122020212), we get a palindrome (5243324233425).
The spelling of 2120202213213 in words is "two trillion, one hundred twenty billion, two hundred two million, two hundred thirteen thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •