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30103405289 is a prime number
BaseRepresentation
bin11100000010010011…
…011000001011101001
32212200221212102202122
4130002103120023221
5443122432432124
621455044241025
72113663502666
oct340223301351
985627772678
1030103405289
1111848650a51
125a016a0175
132ab992b869
141658084a6d
15bb2c5275e
hex7024d82e9

30103405289 has 2 divisors, whose sum is σ = 30103405290. Its totient is φ = 30103405288.

The previous prime is 30103405247. The next prime is 30103405349. The reversal of 30103405289 is 98250430103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27268907689 + 2834497600 = 165133^2 + 53240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30103405289 is a prime.

It is not a weakly prime, because it can be changed into another prime (30103405219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051702644 + 15051702645.

It is an arithmetic number, because the mean of its divisors is an integer number (15051702645).

Almost surely, 230103405289 is an apocalyptic number.

It is an amenable number.

30103405289 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103405289 is an equidigital number, since it uses as much as digits as its factorization.

30103405289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 30103405289 in words is "thirty billion, one hundred three million, four hundred five thousand, two hundred eighty-nine".