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30575304469 = 193262149331
BaseRepresentation
bin11100011110011011…
…100001111100010101
32220220211211101202001
4130132123201330111
51000104234220334
622013542515301
72131453541233
oct343633417425
986824741661
1030575304469
1111a6aa64876
125b13735b31
132b63625248
1416a0a03953
15bde3b9714
hex71e6e1f15

30575304469 has 8 divisors (see below), whose sum is σ = 32186170080. Its totient is φ = 28964602800.

The previous prime is 30575304443. The next prime is 30575304479. The reversal of 30575304469 is 96440357503.

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

It is a cyclic number.

It is not a de Polignac number, because 30575304469 - 27 = 30575304341 is a prime.

It is a super-2 number, since 2×305753044692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30575304479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595134 + ... + 644464.

It is an arithmetic number, because the mean of its divisors is an integer number (4023271260).

Almost surely, 230575304469 is an apocalyptic number.

It is an amenable number.

30575304469 is a deficient number, since it is larger than the sum of its proper divisors (1610865611).

30575304469 is a wasteful number, since it uses less digits than its factorization.

30575304469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81971.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 30575304469 in words is "thirty billion, five hundred seventy-five million, three hundred four thousand, four hundred sixty-nine".

Divisors: 1 19 32621 49331 619799 937289 1609226551 30575304469