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30417901693 is a prime number
BaseRepresentation
bin11100010101000011…
…000101100001111101
32220111212122111201121
4130111003011201331
5444243440323233
621550201110541
72124532620064
oct342503054175
986455574647
1030417901693
111199a126833
125a8aa88451
132b39b339ca
141687b4d1db
15bd067692d
hex7150c587d

30417901693 has 2 divisors, whose sum is σ = 30417901694. Its totient is φ = 30417901692.

The previous prime is 30417901637. The next prime is 30417901697. The reversal of 30417901693 is 39610971403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30276696004 + 141205689 = 174002^2 + 11883^2 .

It is a cyclic number.

It is not a de Polignac number, because 30417901693 - 29 = 30417901181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30417901697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15208950846 + 15208950847.

It is an arithmetic number, because the mean of its divisors is an integer number (15208950847).

Almost surely, 230417901693 is an apocalyptic number.

It is an amenable number.

30417901693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30417901693 is an equidigital number, since it uses as much as digits as its factorization.

30417901693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 30417901693 in words is "thirty billion, four hundred seventeen million, nine hundred one thousand, six hundred ninety-three".