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30054356257 is a prime number
BaseRepresentation
bin11011111111011000…
…010001010100100001
32212120112120111010211
4123333120101110201
5443022403400012
621450133054121
72112526545622
oct337730212441
985515514124
1030054356257
111182299a762
1259a9187341
132aac717273
141651757a49
15bad7b46a7
hex6ff611521

30054356257 has 2 divisors, whose sum is σ = 30054356258. Its totient is φ = 30054356256.

The previous prime is 30054356249. The next prime is 30054356279. The reversal of 30054356257 is 75265345003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29326220001 + 728136256 = 171249^2 + 26984^2 .

It is a cyclic number.

It is not a de Polignac number, because 30054356257 - 23 = 30054356249 is a prime.

It is not a weakly prime, because it can be changed into another prime (30054356207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027178128 + 15027178129.

It is an arithmetic number, because the mean of its divisors is an integer number (15027178129).

Almost surely, 230054356257 is an apocalyptic number.

It is an amenable number.

30054356257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30054356257 is an equidigital number, since it uses as much as digits as its factorization.

30054356257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 30054356257 in words is "thirty billion, fifty-four million, three hundred fifty-six thousand, two hundred fifty-seven".