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28545575358 = 236704970957
BaseRepresentation
bin11010100101011100…
…101110100110111110
32201200101112110211210
4122211130232212332
5431430131402413
621040314425250
72030246246526
oct324534564676
981611473753
1028545575358
11111192622a3
125647a32226
1328cbc6c2c1
14154b20a686
15b210d33c3
hex6a572e9be

28545575358 has 16 divisors (see below), whose sum is σ = 57092806800. Its totient is φ = 9514915776.

The previous prime is 28545575329. The next prime is 28545575393. The reversal of 28545575358 is 85357554582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28545575298 and 28545575307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366816 + ... + 437772.

It is an arithmetic number, because the mean of its divisors is an integer number (3568300425).

Almost surely, 228545575358 is an apocalyptic number.

28545575358 is an abundant number, since it is smaller than the sum of its proper divisors (28547231442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28545575358 is a wasteful number, since it uses less digits than its factorization.

28545575358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138011.

The product of its digits is 33600000, while the sum is 57.

The spelling of 28545575358 in words is "twenty-eight billion, five hundred forty-five million, five hundred seventy-five thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 67049 70957 134098 141914 201147 212871 402294 425742 4757595893 9515191786 14272787679 28545575358