Base | Representation |
---|---|
bin | 1101000111010011001001… |
… | …01101011011111010111101 |
3 | 10210002220011202222010021010 |
4 | 12203221210231123322331 |
5 | 12234440412103322124 |
6 | 141200012411025433 |
7 | 6034325001004641 |
oct | 643514455337275 |
9 | 123086152863233 |
10 | 28838100057789 |
11 | 9209195747330 |
12 | 329902543b279 |
13 | 13125623c3649 |
14 | 719ab2d7cc21 |
15 | 350229dc9529 |
hex | 1a3a64b5bebd |
28838100057789 has 16 divisors (see below), whose sum is σ = 41946562819584. Its totient is φ = 17477538289200.
The previous prime is 28838100057727. The next prime is 28838100057791. The reversal of 28838100057789 is 98775000183882.
It is not a de Polignac number, because 28838100057789 - 240 = 27738588430013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28838100057709) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3749152 + ... + 8469494.
It is an arithmetic number, because the mean of its divisors is an integer number (2621660176224).
Almost surely, 228838100057789 is an apocalyptic number.
It is an amenable number.
28838100057789 is a deficient number, since it is larger than the sum of its proper divisors (13108462761795).
28838100057789 is a wasteful number, since it uses less digits than its factorization.
28838100057789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4905488.
The product of its (nonzero) digits is 54190080, while the sum is 66.
The spelling of 28838100057789 in words is "twenty-eight trillion, eight hundred thirty-eight billion, one hundred million, fifty-seven thousand, seven hundred eighty-nine".
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