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30250580557 is a prime number
BaseRepresentation
bin11100001011000100…
…110011101001001101
32220002012210201021111
4130023010303221031
5443423122034212
621521422532021
72120431456261
oct341304635115
986065721244
1030250580557
11119137339aa
125a42a37011
132b1127bb12
14166d8360a1
15bc0b24ea7
hex70b133a4d

30250580557 has 2 divisors, whose sum is σ = 30250580558. Its totient is φ = 30250580556.

The previous prime is 30250580533. The next prime is 30250580609. The reversal of 30250580557 is 75508505203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30232167876 + 18412681 = 173874^2 + 4291^2 .

It is an emirp because it is prime and its reverse (75508505203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30250580557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30250580057) 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, 15125290278 + 15125290279.

It is an arithmetic number, because the mean of its divisors is an integer number (15125290279).

Almost surely, 230250580557 is an apocalyptic number.

It is an amenable number.

30250580557 is a deficient number, since it is larger than the sum of its proper divisors (1).

30250580557 is an equidigital number, since it uses as much as digits as its factorization.

30250580557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 30250580557 in words is "thirty billion, two hundred fifty million, five hundred eighty thousand, five hundred fifty-seven".