Search a number
-
+
2162074493 is a prime number
BaseRepresentation
bin1000000011011110…
…1010001101111101
312120200022202122002
42000313222031331
513411442340433
6554312432045
7104402221115
oct20067521575
95520282562
102162074493
11a0a486627
125040a8625
13285c13127
14167208045
15c9c299e8
hex80dea37d

2162074493 has 2 divisors, whose sum is σ = 2162074494. Its totient is φ = 2162074492.

The previous prime is 2162074489. The next prime is 2162074517. The reversal of 2162074493 is 3944702612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1907767684 + 254306809 = 43678^2 + 15947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162074493 - 22 = 2162074489 is a prime.

It is a super-2 number, since 2×21620744932 = 9349132226562414098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162074693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081037246 + 1081037247.

It is an arithmetic number, because the mean of its divisors is an integer number (1081037247).

Almost surely, 22162074493 is an apocalyptic number.

It is an amenable number.

2162074493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162074493 is an equidigital number, since it uses as much as digits as its factorization.

2162074493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2162074493 is about 46498.1127896606. The cubic root of 2162074493 is about 1293.0745112076.

The spelling of 2162074493 in words is "two billion, one hundred sixty-two million, seventy-four thousand, four hundred ninety-three".