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28474747483 = 713312909313
BaseRepresentation
bin11010100001001110…
…100010101001011011
32201111110021001021011
4122201032202221123
5431304013404413
621025304354351
72025426234340
oct324116425133
981443231234
1028474747483
1111092286266
1256281759b7
1328ba3a0a10
141541a507c7
15b19c9233d
hex6a13a2a5b

28474747483 has 8 divisors (see below), whose sum is σ = 35045843168. Its totient is φ = 22529470464.

The previous prime is 28474747481. The next prime is 28474747489. The reversal of 28474747483 is 38474747482.

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 28474747483 - 21 = 28474747481 is a prime.

It is a super-2 number, since 2×284747474832 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28474747481) 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 in 7 ways as a sum of consecutive naturals, for example, 156454566 + ... + 156454747.

It is an arithmetic number, because the mean of its divisors is an integer number (4380730396).

Almost surely, 228474747483 is an apocalyptic number.

28474747483 is a deficient number, since it is larger than the sum of its proper divisors (6571095685).

28474747483 is a wasteful number, since it uses less digits than its factorization.

28474747483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312909333.

The product of its digits is 33718272, while the sum is 58.

Subtracting 28474747483 from its reverse (38474747482), we obtain a palindrome (9999999999).

The spelling of 28474747483 in words is "twenty-eight billion, four hundred seventy-four million, seven hundred forty-seven thousand, four hundred eighty-three".

Divisors: 1 7 13 91 312909313 2190365191 4067821069 28474747483