Search a number
-
+
2198648801 is a prime number
BaseRepresentation
bin1000001100001100…
…1011011111100001
312200020010221011002
42003003023133201
514000323230201
61002100401345
7105325130546
oct20303133741
95606127132
102198648801
11a29097428
125143a6255
1329067a62b
1416c008bcd
15cd05176b
hex830cb7e1

2198648801 has 2 divisors, whose sum is σ = 2198648802. Its totient is φ = 2198648800.

The previous prime is 2198648789. The next prime is 2198648819. The reversal of 2198648801 is 1088468912.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265651776 + 932997025 = 35576^2 + 30545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198648801 - 214 = 2198632417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2191648801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099324400 + 1099324401.

It is an arithmetic number, because the mean of its divisors is an integer number (1099324401).

Almost surely, 22198648801 is an apocalyptic number.

It is an amenable number.

2198648801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198648801 is an equidigital number, since it uses as much as digits as its factorization.

2198648801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 2198648801 is about 46889.7515561770. The cubic root of 2198648801 is about 1300.3251259781.

The spelling of 2198648801 in words is "two billion, one hundred ninety-eight million, six hundred forty-eight thousand, eight hundred one".