Search a number
-
+
1220000413 is a prime number
BaseRepresentation
bin100100010110111…
…1011101010011101
310011000122102221111
41020231323222131
54444310003123
6321020502021
742142555342
oct11055735235
93130572844
101220000413
11576727405
122a06aa911
131659a7b48
14b80587c9
157218b90d
hex48b7ba9d

1220000413 has 2 divisors, whose sum is σ = 1220000414. Its totient is φ = 1220000412.

The previous prime is 1220000389. The next prime is 1220000447. The reversal of 1220000413 is 3140000221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114691769 + 105308644 = 33387^2 + 10262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220000413 - 221 = 1217903261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220000393 and 1220000402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220000113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000206 + 610000207.

It is an arithmetic number, because the mean of its divisors is an integer number (610000207).

Almost surely, 21220000413 is an apocalyptic number.

It is an amenable number.

1220000413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220000413 is an equidigital number, since it uses as much as digits as its factorization.

1220000413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220000413 is about 34928.5043052233. The cubic root of 1220000413 is about 1068.5298507234.

Adding to 1220000413 its reverse (3140000221), we get a palindrome (4360000634).

The spelling of 1220000413 in words is "one billion, two hundred twenty million, four hundred thirteen", and thus it is an aban number.