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28475452508 = 2256912511183
BaseRepresentation
bin11010100001010001…
…001110110001011100
32201111111120212101012
4122201101032301130
5431304203440013
621025331434352
72025435231656
oct324121166134
981444525335
1028475452508
1111092717a28
1256284559b8
1328ba5898a9
141541b956d6
15b19d811a8
hex6a144ec5c

28475452508 has 12 divisors (see below), whose sum is σ = 49919624160. Its totient is φ = 14212702752.

The previous prime is 28475452507. The next prime is 28475452529. The reversal of 28475452508 is 80525457482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28475452507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6253316 + ... + 6257867.

It is an arithmetic number, because the mean of its divisors is an integer number (4159968680).

Almost surely, 228475452508 is an apocalyptic number.

It is an amenable number.

28475452508 is a deficient number, since it is larger than the sum of its proper divisors (21444171652).

28475452508 is a wasteful number, since it uses less digits than its factorization.

28475452508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511756 (or 12511754 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 50.

The spelling of 28475452508 in words is "twenty-eight billion, four hundred seventy-five million, four hundred fifty-two thousand, five hundred eight".

Divisors: 1 2 4 569 1138 2276 12511183 25022366 50044732 7118863127 14237726254 28475452508