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120508435081 is a prime number
BaseRepresentation
bin111000000111011011…
…1001100101010001001
3102112001102212210022101
41300032313030222021
53433300124410311
6131205533553401
711464211540266
oct1601667145211
9375042783271
10120508435081
114711a962a01
121b432045861
13b496633928
145b92a9626d
153204937ec1
hex1c0edcca89

120508435081 has 2 divisors, whose sum is σ = 120508435082. Its totient is φ = 120508435080.

The previous prime is 120508435067. The next prime is 120508435087. The reversal of 120508435081 is 180534805021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118118691856 + 2389743225 = 343684^2 + 48885^2 .

It is a cyclic number.

It is not a de Polignac number, because 120508435081 - 27 = 120508434953 is a prime.

It is a super-2 number, since 2×1205084350812 (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 120508435081.

It is not a weakly prime, because it can be changed into another prime (120508435087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60254217540 + 60254217541.

It is an arithmetic number, because the mean of its divisors is an integer number (60254217541).

Almost surely, 2120508435081 is an apocalyptic number.

It is an amenable number.

120508435081 is a deficient number, since it is larger than the sum of its proper divisors (1).

120508435081 is an equidigital number, since it uses as much as digits as its factorization.

120508435081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 120508435081 in words is "one hundred twenty billion, five hundred eight million, four hundred thirty-five thousand, eighty-one".