Base | Representation |
---|---|
bin | 1101001001111010011100… |
… | …10000101111110111110010 |
3 | 10210102111000022210201120120 |
4 | 12210331032100233313302 |
5 | 12242423333421024134 |
6 | 141305145115551110 |
7 | 6043654524550065 |
oct | 644751620576762 |
9 | 123374008721516 |
10 | 28927917751794 |
11 | 9243296470206 |
12 | 32b251115b496 |
13 | 131ab77515249 |
14 | 7201939828dc |
15 | 352735244649 |
hex | 1a4f4e42fdf2 |
28927917751794 has 32 divisors (see below), whose sum is σ = 58213092704256. Its totient is φ = 9583117842960.
The previous prime is 28927917751793. The next prime is 28927917751819. The reversal of 28927917751794 is 49715771972982.
It is not an unprimeable number, because it can be changed into a prime (28927917751793) 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, 2718159 + ... + 8077389.
It is an arithmetic number, because the mean of its divisors is an integer number (1819159147008).
Almost surely, 228927917751794 is an apocalyptic number.
28927917751794 is an abundant number, since it is smaller than the sum of its proper divisors (29285174952462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28927917751794 is a wasteful number, since it uses less digits than its factorization.
28927917751794 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5364790.
The product of its digits is 1120210560, while the sum is 78.
The spelling of 28927917751794 in words is "twenty-eight trillion, nine hundred twenty-seven billion, nine hundred seventeen million, seven hundred fifty-one thousand, seven hundred ninety-four".
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