Base | Representation |
---|---|
bin | 1011111010111101… |
… | …1111010110010101 |
3 | 22021000120221122212 |
4 | 2332233133112111 |
5 | 23023212321323 |
6 | 1245313403205 |
7 | 142205400353 |
oct | 27657372625 |
9 | 8230527585 |
10 | 3200120213 |
11 | 13a2425754 |
12 | 753869505 |
13 | 3bccb1474 |
14 | 22501a7d3 |
15 | 13ae23b78 |
hex | bebdf595 |
3200120213 has 4 divisors (see below), whose sum is σ = 3200337228. Its totient is φ = 3199903200.
The previous prime is 3200120197. The next prime is 3200120221. The reversal of 3200120213 is 3120210023.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120210023 = 7 ⋅445744289.
It can be written as a sum of positive squares in 2 ways, for example, as 1295496049 + 1904624164 = 35993^2 + 43642^2 .
It is a cyclic number.
It is not a de Polignac number, because 3200120213 - 24 = 3200120197 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 (3200120513) 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, 84638 + ... + 116463.
It is an arithmetic number, because the mean of its divisors is an integer number (800084307).
Almost surely, 23200120213 is an apocalyptic number.
It is an amenable number.
3200120213 is a deficient number, since it is larger than the sum of its proper divisors (217015).
3200120213 is a wasteful number, since it uses less digits than its factorization.
3200120213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217014.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 3200120213 is about 56569.6050277886. The cubic root of 3200120213 is about 1473.6310520784.
Adding to 3200120213 its reverse (3120210023), we get a palindrome (6320330236).
The spelling of 3200120213 in words is "three billion, two hundred million, one hundred twenty thousand, two hundred thirteen".
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