Base | Representation |
---|---|
bin | 1101010111010100101100… |
… | …00000101100011100101001 |
3 | 10212001112022211220201120101 |
4 | 12223222112000230130221 |
5 | 12323001010322104224 |
6 | 142300550302225401 |
7 | 6122155650556642 |
oct | 653522600543451 |
9 | 125045284821511 |
10 | 29388683003689 |
11 | 9400741437749 |
12 | 3367882585261 |
13 | 1352457cb8429 |
14 | 7385c40ba6c9 |
15 | 35e701652044 |
hex | 1aba9602c729 |
29388683003689 has 9 divisors (see below), whose sum is σ = 29437951289949. Its totient is φ = 29339497063980.
The previous prime is 29388683003677. The next prime is 29388683003767. The reversal of 29388683003689 is 98630038688392.
The square root of 29388683003689 is 5421133.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 29388683003689 - 217 = 29388682872617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29388683003089) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3485784304 + ... + 3485792734.
It is an arithmetic number, because the mean of its divisors is an integer number (3270883476661).
Almost surely, 229388683003689 is an apocalyptic number.
29388683003689 is the 5421133-rd square number.
29388683003689 is the 2710567-th centered octagonal number.
It is an amenable number.
29388683003689 is a deficient number, since it is larger than the sum of its proper divisors (49268286260).
29388683003689 is an frugal number, since it uses more digits than its factorization.
29388683003689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18148 (or 9074 counting only the distinct ones).
The product of its (nonzero) digits is 644972544, while the sum is 73.
The spelling of 29388683003689 in words is "twenty-nine trillion, three hundred eighty-eight billion, six hundred eighty-three million, three thousand, six hundred eighty-nine".
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