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108033821281 is a prime number
BaseRepresentation
bin110010010011101010…
…0010100101001100001
3101022212001200202020001
41210213110110221201
53232223124240111
6121344031420001
710543115220661
oct1444724245141
9338761622201
10108033821281
11418a9303a21
1218b30384601
13a259064c49
14532c0101a1
152c246b61c1
hex1927514a61

108033821281 has 2 divisors, whose sum is σ = 108033821282. Its totient is φ = 108033821280.

The previous prime is 108033821261. The next prime is 108033821293. The reversal of 108033821281 is 182128330801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107573504256 + 460317025 = 327984^2 + 21455^2 .

It is a cyclic number.

It is not a de Polignac number, because 108033821281 - 219 = 108033296993 is a prime.

It is a super-2 number, since 2×1080338212812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108033821281.

It is not a weakly prime, because it can be changed into another prime (108033821201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54016910640 + 54016910641.

It is an arithmetic number, because the mean of its divisors is an integer number (54016910641).

Almost surely, 2108033821281 is an apocalyptic number.

It is an amenable number.

108033821281 is a deficient number, since it is larger than the sum of its proper divisors (1).

108033821281 is an equidigital number, since it uses as much as digits as its factorization.

108033821281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 108033821281 in words is "one hundred eight billion, thirty-three million, eight hundred twenty-one thousand, two hundred eighty-one".