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88220008081 is a prime number
BaseRepresentation
bin101001000101001010…
…0100111111010010001
322102201012111202020201
41102022110213322101
52421133310224311
6104305552535201
76242113460512
oct1221224477221
9272635452221
1088220008081
1134460992897
1215120851501
13841c11921a
1443ac752a09
152464e769c1
hex148a527e91

88220008081 has 2 divisors, whose sum is σ = 88220008082. Its totient is φ = 88220008080.

The previous prime is 88220008073. The next prime is 88220008087. The reversal of 88220008081 is 18080002288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65792250000 + 22427758081 = 256500^2 + 149759^2 .

It is a cyclic number.

It is not a de Polignac number, because 88220008081 - 23 = 88220008073 is a prime.

It is a super-2 number, since 2×882200080812 (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 88220008081.

It is not a weakly prime, because it can be changed into another prime (88220008087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44110004040 + 44110004041.

It is an arithmetic number, because the mean of its divisors is an integer number (44110004041).

Almost surely, 288220008081 is an apocalyptic number.

It is an amenable number.

88220008081 is a deficient number, since it is larger than the sum of its proper divisors (1).

88220008081 is an equidigital number, since it uses as much as digits as its factorization.

88220008081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 37.

The spelling of 88220008081 in words is "eighty-eight billion, two hundred twenty million, eight thousand, eighty-one".