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30555038291 is a prime number
BaseRepresentation
bin11100011101001110…
…001110001001010011
32220212102200202202212
4130131032032021103
51000034042211131
622011540302335
72131116353201
oct343516161123
986772622685
1030555038291
1111a5a582568
125b089a19ab
132b5c37a91b
14169c04a071
15bdc714a2b
hex71d38e253

30555038291 has 2 divisors, whose sum is σ = 30555038292. Its totient is φ = 30555038290.

The previous prime is 30555038263. The next prime is 30555038333. The reversal of 30555038291 is 19283055503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30555038291 - 214 = 30555021907 is a prime.

It is a super-2 number, since 2×305550382912 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30555037291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277519145 + 15277519146.

It is an arithmetic number, because the mean of its divisors is an integer number (15277519146).

Almost surely, 230555038291 is an apocalyptic number.

30555038291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30555038291 is an equidigital number, since it uses as much as digits as its factorization.

30555038291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 30555038291 in words is "thirty billion, five hundred fifty-five million, thirty-eight thousand, two hundred ninety-one".