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28758056060896 = 25898689251903
BaseRepresentation
bin1101000100111110000011…
…01101110100011111100000
310202211020120101001202212121
412202133001231310133200
512232132444322422041
6141055134002234024
76025462303160341
oct642370155643740
9122736511052777
1028758056060896
11918824aa1a788
123285606955914
131307b47125986
14715c7c4300c8
1534d0e2b197d1
hex1a27c1b747e0

28758056060896 has 12 divisors (see below), whose sum is σ = 56617422869952. Its totient is φ = 14379028030432.

The previous prime is 28758056060827. The next prime is 28758056060897. The reversal of 28758056060896 is 69806065085782.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28758056060897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449344625920 + ... + 449344625983.

It is an arithmetic number, because the mean of its divisors is an integer number (4718118572496).

Almost surely, 228758056060896 is an apocalyptic number.

It is an amenable number.

28758056060896 is a deficient number, since it is larger than the sum of its proper divisors (27859366809056).

28758056060896 is an equidigital number, since it uses as much as digits as its factorization.

28758056060896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898689251913 (or 898689251905 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 70.

The spelling of 28758056060896 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 32 898689251903 1797378503806 3594757007612 7189514015224 14379028030448 28758056060896