Base | Representation |
---|---|
bin | 11010111010111000… |
… | …011001110100010011 |
3 | 2202121110010211221102 |
4 | 122322320121310103 |
5 | 433144204324023 |
6 | 21140121415015 |
7 | 2042203510325 |
oct | 327270316423 |
9 | 82543124842 |
10 | 28905151763 |
11 | 11293228384 |
12 | 572833a46b |
13 | 29585c92c7 |
14 | 1582c8b615 |
15 | b4295e628 |
hex | 6bae19d13 |
28905151763 has 16 divisors (see below), whose sum is σ = 31467264000. Its totient is φ = 26461873152.
The previous prime is 28905151757. The next prime is 28905151783. The reversal of 28905151763 is 36715150982.
It is a cyclic number.
It is not a de Polignac number, because 28905151763 - 210 = 28905150739 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28905151753) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134318 + ... + 275411.
It is an arithmetic number, because the mean of its divisors is an integer number (1966704000).
Almost surely, 228905151763 is an apocalyptic number.
28905151763 is a deficient number, since it is larger than the sum of its proper divisors (2562112237).
28905151763 is a wasteful number, since it uses less digits than its factorization.
28905151763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409874.
The product of its (nonzero) digits is 453600, while the sum is 47.
The spelling of 28905151763 in words is "twenty-eight billion, nine hundred five million, one hundred fifty-one thousand, seven hundred sixty-three".
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