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30054951977 is a prime number
BaseRepresentation
bin11011111111011010…
…100010110000101001
32212120120200202022112
4123333122202300221
5443023031430402
621450153532105
72112534606461
oct337732426051
985516622275
1030054951977
1111823267296
1259a9414035
132aac89546b
141651870ba1
15bad880e52
hex6ff6a2c29

30054951977 has 2 divisors, whose sum is σ = 30054951978. Its totient is φ = 30054951976.

The previous prime is 30054951947. The next prime is 30054952003. The reversal of 30054951977 is 77915945003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23334395536 + 6720556441 = 152756^2 + 81979^2 .

It is a cyclic number.

It is not a de Polignac number, because 30054951977 - 210 = 30054950953 is a prime.

It is not a weakly prime, because it can be changed into another prime (30054951917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027475988 + 15027475989.

It is an arithmetic number, because the mean of its divisors is an integer number (15027475989).

Almost surely, 230054951977 is an apocalyptic number.

It is an amenable number.

30054951977 is a deficient number, since it is larger than the sum of its proper divisors (1).

30054951977 is an equidigital number, since it uses as much as digits as its factorization.

30054951977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 30054951977 in words is "thirty billion, fifty-four million, nine hundred fifty-one thousand, nine hundred seventy-seven".