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30701477969 is a prime number
BaseRepresentation
bin11100100101111100…
…110110000001010001
32221020122020200020122
4130211330312001101
51000334034243334
622034251120025
72134545154061
oct344574660121
987218220218
1030701477969
1112025202898
125b49a43015
132b83801116
1416b36893a1
15bea4de32e
hex725f36051

30701477969 has 2 divisors, whose sum is σ = 30701477970. Its totient is φ = 30701477968.

The previous prime is 30701477927. The next prime is 30701477977. The reversal of 30701477969 is 96977410703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19903566400 + 10797911569 = 141080^2 + 103913^2 .

It is a cyclic number.

It is not a de Polignac number, because 30701477969 - 220 = 30700429393 is a prime.

It is a super-2 number, since 2×307014779692 (a number of 22 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 30701477969.

It is not a weakly prime, because it can be changed into another prime (30701477909) 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, 15350738984 + 15350738985.

It is an arithmetic number, because the mean of its divisors is an integer number (15350738985).

Almost surely, 230701477969 is an apocalyptic number.

It is an amenable number.

30701477969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30701477969 is an equidigital number, since it uses as much as digits as its factorization.

30701477969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The spelling of 30701477969 in words is "thirty billion, seven hundred one million, four hundred seventy-seven thousand, nine hundred sixty-nine".