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30578083013 is a prime number
BaseRepresentation
bin11100011110100110…
…001000010011000101
32220221001001120012002
4130132212020103011
51000110442124023
622014122235045
72131516263032
oct343646102305
986831046162
1030578083013
1111a71592395
125b14655a85
132b64088b5a
1416a1128389
15bde767b28
hex71e9884c5

30578083013 has 2 divisors, whose sum is σ = 30578083014. Its totient is φ = 30578083012.

The previous prime is 30578083001. The next prime is 30578083027. The reversal of 30578083013 is 31038087503.

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., 28015394884 + 2562688129 = 167378^2 + 50623^2 .

It is a cyclic number.

It is not a de Polignac number, because 30578083013 - 26 = 30578082949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30578083043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15289041506 + 15289041507.

It is an arithmetic number, because the mean of its divisors is an integer number (15289041507).

Almost surely, 230578083013 is an apocalyptic number.

It is an amenable number.

30578083013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30578083013 is an equidigital number, since it uses as much as digits as its factorization.

30578083013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 30578083013 in words is "thirty billion, five hundred seventy-eight million, eighty-three thousand, thirteen".