Search a number
-
+
120202220291 is a prime number
BaseRepresentation
bin110111111110010011…
…1000101001100000011
3102111021002200110120212
41233330213011030003
53432133232022131
6131115314424335
711453503004636
oct1577447051403
9374232613525
10120202220291
1146a8302422a
121b3675920ab
13b44806b14a
145b64145c1d
1531d7aeca2b
hex1bfc9c5303

120202220291 has 2 divisors, whose sum is σ = 120202220292. Its totient is φ = 120202220290.

The previous prime is 120202220273. The next prime is 120202220317. The reversal of 120202220291 is 192022202021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120202220291 is a prime.

It is not a weakly prime, because it can be changed into another prime (120202220191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101110145 + 60101110146.

It is an arithmetic number, because the mean of its divisors is an integer number (60101110146).

Almost surely, 2120202220291 is an apocalyptic number.

120202220291 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202220291 is an equidigital number, since it uses as much as digits as its factorization.

120202220291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 120202220291 in words is "one hundred twenty billion, two hundred two million, two hundred twenty thousand, two hundred ninety-one".