Base | Representation |
---|---|
bin | 11100101001101110… |
… | …001000000010010110 |
3 | 2221102001021010121210 |
4 | 130221232020002112 |
5 | 1001001232302340 |
6 | 22044430522250 |
7 | 2136243606630 |
oct | 345156100226 |
9 | 87361233553 |
10 | 30764728470 |
11 | 12057983933 |
12 | 5b67066386 |
13 | 2b93948758 |
14 | 16bbc31a50 |
15 | c00d35180 |
hex | 729b88096 |
30764728470 has 128 divisors (see below), whose sum is σ = 93231876096. Its totient is φ = 6330525696.
The previous prime is 30764728429. The next prime is 30764728481. The reversal of 30764728470 is 7482746703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105229 + ... + 269448.
It is an arithmetic number, because the mean of its divisors is an integer number (728374032).
Almost surely, 230764728470 is an apocalyptic number.
30764728470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30764728470 is an abundant number, since it is smaller than the sum of its proper divisors (62467147626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30764728470 is a wasteful number, since it uses less digits than its factorization.
30764728470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374734.
The product of its (nonzero) digits is 1580544, while the sum is 48.
The spelling of 30764728470 in words is "thirty billion, seven hundred sixty-four million, seven hundred twenty-eight thousand, four hundred seventy".
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