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30430657273 = 414191771387
BaseRepresentation
bin11100010101110011…
…101111101011111001
32220112202122120002111
4130111303233223321
5444310222013043
621551334332321
72125046214262
oct342563575371
986482576074
1030430657273
11119a6349235
125a931ba0a1
132b3c67b8a3
14168970d969
15bd184609d
hex715cefaf9

30430657273 has 8 divisors (see below), whose sum is σ = 31247284320. Its totient is φ = 29617573920.

The previous prime is 30430657259. The next prime is 30430657321. The reversal of 30430657273 is 37275603403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30430657273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30430657253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868515 + ... + 902872.

It is an arithmetic number, because the mean of its divisors is an integer number (3905910540).

Almost surely, 230430657273 is an apocalyptic number.

It is an amenable number.

30430657273 is a deficient number, since it is larger than the sum of its proper divisors (816627047).

30430657273 is a wasteful number, since it uses less digits than its factorization.

30430657273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771847.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 30430657273 in words is "thirty billion, four hundred thirty million, six hundred fifty-seven thousand, two hundred seventy-three".

Divisors: 1 41 419 17179 1771387 72626867 742211153 30430657273