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2215104137 is a prime number
BaseRepresentation
bin1000010000000111…
…1100111010001001
312201101002221121222
42010001330322021
514014031313022
61003445211425
7105615034361
oct20401747211
95641087558
102215104137
11a37406584
12519a00b75
13293bbc50c
1417028d9a1
15ce702242
hex8407ce89

2215104137 has 2 divisors, whose sum is σ = 2215104138. Its totient is φ = 2215104136.

The previous prime is 2215104061. The next prime is 2215104167. The reversal of 2215104137 is 7314015122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1630625161 + 584478976 = 40381^2 + 24176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215104137 - 214 = 2215087753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215104167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107552068 + 1107552069.

It is an arithmetic number, because the mean of its divisors is an integer number (1107552069).

Almost surely, 22215104137 is an apocalyptic number.

It is an amenable number.

2215104137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215104137 is an equidigital number, since it uses as much as digits as its factorization.

2215104137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2215104137 is about 47064.8928289442. The cubic root of 2215104137 is about 1303.5610719979.

Adding to 2215104137 its reverse (7314015122), we get a palindrome (9529119259).

The spelling of 2215104137 in words is "two billion, two hundred fifteen million, one hundred four thousand, one hundred thirty-seven".