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28485063518 = 214242531759
BaseRepresentation
bin11010100001110101…
…111001001101011110
32201112011200011012112
4122201311321031132
5431314134013033
621030313434022
72025613021262
oct324165711536
981464604175
1028485063518
111109809190a
12562b70b912
1328bc573392
1415431780a2
15b1ab2dc48
hex6a1d7935e

28485063518 has 4 divisors (see below), whose sum is σ = 42727595280. Its totient is φ = 14242531758.

The previous prime is 28485063499. The next prime is 28485063521. The reversal of 28485063518 is 81536058482.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×284850635182 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121265878 + ... + 7121265881.

It is an arithmetic number, because the mean of its divisors is an integer number (10681898820).

Almost surely, 228485063518 is an apocalyptic number.

28485063518 is a deficient number, since it is larger than the sum of its proper divisors (14242531762).

28485063518 is a wasteful number, since it uses less digits than its factorization.

28485063518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14242531761.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 28485063518 in words is "twenty-eight billion, four hundred eighty-five million, sixty-three thousand, five hundred eighteen".

Divisors: 1 2 14242531759 28485063518