Search a number
-
+
2372206561 is a prime number
BaseRepresentation
bin1000110101100100…
…1111111111100001
320010022201120122021
42031121033333201
514324241102221
61031220341441
7112533265054
oct21531177741
96108646567
102372206561
11100805999a
12562544881
132ba60712a
141870a6a9b
15dd3d6041
hex8d64ffe1

2372206561 has 2 divisors, whose sum is σ = 2372206562. Its totient is φ = 2372206560.

The previous prime is 2372206531. The next prime is 2372206589. The reversal of 2372206561 is 1656022732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1507846561 + 864360000 = 38831^2 + 29400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2372206561 - 221 = 2370109409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2372206511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1186103280 + 1186103281.

It is an arithmetic number, because the mean of its divisors is an integer number (1186103281).

Almost surely, 22372206561 is an apocalyptic number.

It is an amenable number.

2372206561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2372206561 is an equidigital number, since it uses as much as digits as its factorization.

2372206561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2372206561 is about 48705.3032122786. The cubic root of 2372206561 is about 1333.6775302151.

The spelling of 2372206561 in words is "two billion, three hundred seventy-two million, two hundred six thousand, five hundred sixty-one".