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12305037475 = 52492201499
BaseRepresentation
bin10110111010110111…
…11111100010100011
31011202120002200002201
423131123333202203
5200200042144400
65353003354031
7613634043553
oct133533774243
934676080081
1012305037475
115244966865
122474b22917
131211407483
1484a343163
154c042706a
hex2dd6ff8a3

12305037475 has 6 divisors (see below), whose sum is σ = 15258246500. Its totient is φ = 9844029960.

The previous prime is 12305037413. The next prime is 12305037487. The reversal of 12305037475 is 57473050321.

It is not a de Polignac number, because 12305037475 - 27 = 12305037347 is a prime.

It is a super-2 number, since 2×123050374752 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246100725 + ... + 246100774.

Almost surely, 212305037475 is an apocalyptic number.

12305037475 is a deficient number, since it is larger than the sum of its proper divisors (2953209025).

12305037475 is an equidigital number, since it uses as much as digits as its factorization.

12305037475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492201509 (or 492201504 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

Adding to 12305037475 its reverse (57473050321), we get a palindrome (69778087796).

The spelling of 12305037475 in words is "twelve billion, three hundred five million, thirty-seven thousand, four hundred seventy-five".

Divisors: 1 5 25 492201499 2461007495 12305037475