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101222640553 is a prime number
BaseRepresentation
bin101111001000101010…
…1101110101110101001
3100200021101020220210011
41132101111232232221
53124300443444203
6114300120251521
710212251151136
oct1362125565651
9320241226704
10101222640553
1139a235a6041
121774b310ba1
139711c001a8
144c835a558d
15297674876d
hex179156eba9

101222640553 has 2 divisors, whose sum is σ = 101222640554. Its totient is φ = 101222640552.

The previous prime is 101222640529. The next prime is 101222640557. The reversal of 101222640553 is 355046222101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98264694784 + 2957945769 = 313472^2 + 54387^2 .

It is a cyclic number.

It is not a de Polignac number, because 101222640553 - 29 = 101222640041 is a prime.

It is not a weakly prime, because it can be changed into another prime (101222640557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611320276 + 50611320277.

It is an arithmetic number, because the mean of its divisors is an integer number (50611320277).

Almost surely, 2101222640553 is an apocalyptic number.

It is an amenable number.

101222640553 is a deficient number, since it is larger than the sum of its proper divisors (1).

101222640553 is an equidigital number, since it uses as much as digits as its factorization.

101222640553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 101222640553 its reverse (355046222101), we get a palindrome (456268862654).

The spelling of 101222640553 in words is "one hundred one billion, two hundred twenty-two million, six hundred forty thousand, five hundred fifty-three".