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22987311037 is a prime number
BaseRepresentation
bin10101011010001001…
…101000011110111101
32012100000200101121021
4111122021220132331
5334034222423122
614321001504141
71442434630345
oct253211503675
965300611537
1022987311037
119826813019
1245564a2051
1322245686c2
141180d47d25
158e81551c7
hex55a2687bd

22987311037 has 2 divisors, whose sum is σ = 22987311038. Its totient is φ = 22987311036.

The previous prime is 22987311007. The next prime is 22987311041. The reversal of 22987311037 is 73011378922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21675495076 + 1311815961 = 147226^2 + 36219^2 .

It is a cyclic number.

It is not a de Polignac number, because 22987311037 - 223 = 22978922429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22987310984 and 22987311002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22987311007) 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, 11493655518 + 11493655519.

It is an arithmetic number, because the mean of its divisors is an integer number (11493655519).

Almost surely, 222987311037 is an apocalyptic number.

It is an amenable number.

22987311037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22987311037 is an equidigital number, since it uses as much as digits as its factorization.

22987311037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

Adding to 22987311037 its reverse (73011378922), we get a palindrome (95998689959).

The spelling of 22987311037 in words is "twenty-two billion, nine hundred eighty-seven million, three hundred eleven thousand, thirty-seven".