Base | Representation |
---|---|
bin | 11010110010110000… |
… | …000000011100011010 |
3 | 2202020221110001111221 |
4 | 122302300000130122 |
5 | 432404243423304 |
6 | 21114405442254 |
7 | 2035626124003 |
oct | 326260003432 |
9 | 82227401457 |
10 | 28768732954 |
11 | 11223221965 |
12 | 56aa71038a |
13 | 2936274010 |
14 | 156cada1aa |
15 | b359b4054 |
hex | 6b2c0071a |
28768732954 has 16 divisors (see below), whose sum is σ = 46750854528. Its totient is φ = 13198366512.
The previous prime is 28768732939. The next prime is 28768732991. The reversal of 28768732954 is 45923786782.
It is a super-2 number, since 2×287687329542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28768732892 and 28768732901.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308502 + ... + 3317185.
It is an arithmetic number, because the mean of its divisors is an integer number (2921928408).
Almost surely, 228768732954 is an apocalyptic number.
28768732954 is a deficient number, since it is larger than the sum of its proper divisors (17982121574).
28768732954 is a wasteful number, since it uses less digits than its factorization.
28768732954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6625869.
The product of its digits is 40642560, while the sum is 61.
The spelling of 28768732954 in words is "twenty-eight billion, seven hundred sixty-eight million, seven hundred thirty-two thousand, nine hundred fifty-four".
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