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28758056060803 = 194194152617457
BaseRepresentation
bin1101000100111110000011…
…01101110100011110000011
310202211020120101001202202011
412202133001231310132003
512232132444322421203
6141055134002233351
76025462303160146
oct642370155643603
9122736511052664
1028758056060803
11918824aa1a703
123285606955857
131307b47125914
14715c7c43005d
1534d0e2b1976d
hex1a27c1b74783

28758056060803 has 32 divisors (see below), whose sum is σ = 31052989154880. Its totient is φ = 26543121408000.

The previous prime is 28758056060791. The next prime is 28758056060821. The reversal of 28758056060803 is 30806065085782.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28758056060803 - 25 = 28758056060771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28758056060203) 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 in 31 ways as a sum of consecutive naturals, for example, 3856514451 + ... + 3856521907.

It is an arithmetic number, because the mean of its divisors is an integer number (970405911090).

Almost surely, 228758056060803 is an apocalyptic number.

28758056060803 is a deficient number, since it is larger than the sum of its proper divisors (2294933094077).

28758056060803 is a wasteful number, since it uses less digits than its factorization.

28758056060803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 28758056060803 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, eight hundred three".

Divisors: 1 19 41 779 941 5261 7457 17879 38581 99959 141683 215701 305737 733039 4098319 4950601 5809003 7017037 39231277 94061419 133323703 202974641 287698517 745394263 1608482357 3856518179 5466271823 30561164783 36916631657 701416001483 1513581897937 28758056060803