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30406071613 is a prime number
BaseRepresentation
bin11100010100010101…
…111101010100111101
32220111001101110220111
4130110111331110331
5444232423242423
621545055350021
72124330226051
oct342425752475
986431343814
1030406071613
1111993486705
125a86b22311
132b37551168
14168634dc61
15bce5db60d
hex71457d53d

30406071613 has 2 divisors, whose sum is σ = 30406071614. Its totient is φ = 30406071612.

The previous prime is 30406071593. The next prime is 30406071719. The reversal of 30406071613 is 31617060403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28080710329 + 2325361284 = 167573^2 + 48222^2 .

It is a cyclic number.

It is not a de Polignac number, because 30406071613 - 25 = 30406071581 is a prime.

It is a super-3 number, since 3×304060716133 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30406071313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15203035806 + 15203035807.

It is an arithmetic number, because the mean of its divisors is an integer number (15203035807).

Almost surely, 230406071613 is an apocalyptic number.

It is an amenable number.

30406071613 is a deficient number, since it is larger than the sum of its proper divisors (1).

30406071613 is an equidigital number, since it uses as much as digits as its factorization.

30406071613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 30406071613 in words is "thirty billion, four hundred six million, seventy-one thousand, six hundred thirteen".