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88100065489 is a prime number
BaseRepresentation
bin101001000001100101…
…1000101000011010001
322102101211211000221111
41102003023011003101
52420412104043424
6104250030053321
76236126125612
oct1220313050321
9272354730844
1088100065489
11343aa210187
12150a864a241
138400312487
14439a84dc09
152459683194
hex14832c50d1

88100065489 has 2 divisors, whose sum is σ = 88100065490. Its totient is φ = 88100065488.

The previous prime is 88100065457. The next prime is 88100065579. The reversal of 88100065489 is 98456000188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75515040000 + 12585025489 = 274800^2 + 112183^2 .

It is a cyclic number.

It is not a de Polignac number, because 88100065489 - 25 = 88100065457 is a prime.

It is not a weakly prime, because it can be changed into another prime (88100065189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44050032744 + 44050032745.

It is an arithmetic number, because the mean of its divisors is an integer number (44050032745).

Almost surely, 288100065489 is an apocalyptic number.

It is an amenable number.

88100065489 is a deficient number, since it is larger than the sum of its proper divisors (1).

88100065489 is an equidigital number, since it uses as much as digits as its factorization.

88100065489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 88100065489 in words is "eighty-eight billion, one hundred million, sixty-five thousand, four hundred eighty-nine".