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88511980216769 is a prime number
BaseRepresentation
bin10100001000000001001101…
…001000111010000111000001
3102121101122220002100012120222
4110020001031020322013001
543100140013413414034
6512125501541312425
724433531245146024
oct2410011510720701
9377348802305528
1088511980216769
11262257a1369a6a
129b1626b105715
133a5084a9000b5
1417c00075a51bb
15a375ee14612e
hex50804d23a1c1

88511980216769 has 2 divisors, whose sum is σ = 88511980216770. Its totient is φ = 88511980216768.

The previous prime is 88511980216727. The next prime is 88511980216789. The reversal of 88511980216769 is 96761208911588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88061558028544 + 450422188225 = 9384112^2 + 671135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88511980216769 is a prime.

It is a super-2 number, since 2×885119802167692 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88511980216789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44255990108384 + 44255990108385.

It is an arithmetic number, because the mean of its divisors is an integer number (44255990108385).

Almost surely, 288511980216769 is an apocalyptic number.

It is an amenable number.

88511980216769 is a deficient number, since it is larger than the sum of its proper divisors (1).

88511980216769 is an equidigital number, since it uses as much as digits as its factorization.

88511980216769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 71.

The spelling of 88511980216769 in words is "eighty-eight trillion, five hundred eleven billion, nine hundred eighty million, two hundred sixteen thousand, seven hundred sixty-nine".