Search a number
-
+
33214630661 is a prime number
BaseRepresentation
bin11110111011101111…
…110000101100000101
310011201210012001121222
4132323233300230011
51021010421140121
623131504450125
72254042462622
oct367357605405
9104653161558
1033214630661
11130a487a693
12652b619945
133194387114
141871361349
15ce5e670ab
hex7bbbf0b05

33214630661 has 2 divisors, whose sum is σ = 33214630662. Its totient is φ = 33214630660.

The previous prime is 33214630637. The next prime is 33214630667. The reversal of 33214630661 is 16603641233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31655170561 + 1559460100 = 177919^2 + 39490^2 .

It is an emirp because it is prime and its reverse (16603641233) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33214630661 is a prime.

It is a super-2 number, since 2×332146306612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33214630667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16607315330 + 16607315331.

It is an arithmetic number, because the mean of its divisors is an integer number (16607315331).

Almost surely, 233214630661 is an apocalyptic number.

It is an amenable number.

33214630661 is a deficient number, since it is larger than the sum of its proper divisors (1).

33214630661 is an equidigital number, since it uses as much as digits as its factorization.

33214630661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 33214630661 in words is "thirty-three billion, two hundred fourteen million, six hundred thirty thousand, six hundred sixty-one".