Search a number
-
+
2820938413 is a prime number
BaseRepresentation
bin1010100000100100…
…0001101010101101
321021121002112000111
42220021001222231
521234130012123
61143530300021
7126622403146
oct25011015255
97247075014
102820938413
111218389867
12668887611
1335c57b837
141ca914acd
151179c390d
hexa8241aad

2820938413 has 2 divisors, whose sum is σ = 2820938414. Its totient is φ = 2820938412.

The previous prime is 2820938389. The next prime is 2820938429. The reversal of 2820938413 is 3148390282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2459862409 + 361076004 = 49597^2 + 19002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2820938413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2820938443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410469206 + 1410469207.

It is an arithmetic number, because the mean of its divisors is an integer number (1410469207).

Almost surely, 22820938413 is an apocalyptic number.

It is an amenable number.

2820938413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820938413 is an equidigital number, since it uses as much as digits as its factorization.

2820938413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2820938413 is about 53112.5071240287. The cubic root of 2820938413 is about 1412.9643405946.

The spelling of 2820938413 in words is "two billion, eight hundred twenty million, nine hundred thirty-eight thousand, four hundred thirteen".