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30575016553 is a prime number
BaseRepresentation
bin11100011110011010…
…011011101001101001
32220220211021202210111
4130132122123221221
51000104201012203
622013532414321
72131451231644
oct343632335151
986824252714
1030575016553
1111a6a888524
125b136173a1
132b63554193
1416a096aa5b
15bde35e26d
hex71e69ba69

30575016553 has 2 divisors, whose sum is σ = 30575016554. Its totient is φ = 30575016552.

The previous prime is 30575016533. The next prime is 30575016557. The reversal of 30575016553 is 35561057503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25976413584 + 4598602969 = 161172^2 + 67813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30575016553 is a prime.

It is not a weakly prime, because it can be changed into another prime (30575016557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287508276 + 15287508277.

It is an arithmetic number, because the mean of its divisors is an integer number (15287508277).

Almost surely, 230575016553 is an apocalyptic number.

It is an amenable number.

30575016553 is a deficient number, since it is larger than the sum of its proper divisors (1).

30575016553 is an equidigital number, since it uses as much as digits as its factorization.

30575016553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236250, while the sum is 40.

The spelling of 30575016553 in words is "thirty billion, five hundred seventy-five million, sixteen thousand, five hundred fifty-three".