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30507112409 is a prime number
BaseRepresentation
bin11100011010010111…
…011001011111011001
32220202002111212211012
4130122113121133121
5444434310044114
622003105143305
72126665114454
oct343227313731
986662455735
1030507112409
1111a355190a4
125ab492ab35
132b5246a607
14169593249b
15bd83e963e
hex71a5d97d9

30507112409 has 2 divisors, whose sum is σ = 30507112410. Its totient is φ = 30507112408.

The previous prime is 30507112343. The next prime is 30507112423. The reversal of 30507112409 is 90421170503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22903795600 + 7603316809 = 151340^2 + 87197^2 .

It is a cyclic number.

It is not a de Polignac number, because 30507112409 - 228 = 30238676953 is a prime.

It is not a weakly prime, because it can be changed into another prime (30507114409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15253556204 + 15253556205.

It is an arithmetic number, because the mean of its divisors is an integer number (15253556205).

Almost surely, 230507112409 is an apocalyptic number.

It is an amenable number.

30507112409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30507112409 is an equidigital number, since it uses as much as digits as its factorization.

30507112409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 30507112409 in words is "thirty billion, five hundred seven million, one hundred twelve thousand, four hundred nine".