Base | Representation |
---|---|
bin | 1110010010100000… |
… | …00011001101001001 |
3 | 201210122002020210010 |
4 | 13021100003031021 |
5 | 111202334121040 |
6 | 3305120342133 |
7 | 361050532341 |
oct | 71120031511 |
9 | 21718066703 |
10 | 7671395145 |
11 | 3287336797 |
12 | 15a1174949 |
13 | 95343b38b |
14 | 52aba9d21 |
15 | 2ed73ae80 |
hex | 1c9403349 |
7671395145 has 32 divisors (see below), whose sum is σ = 12548585088. Its totient is φ = 4000854528.
The previous prime is 7671395113. The next prime is 7671395203. The reversal of 7671395145 is 5415931767.
It is not a de Polignac number, because 7671395145 - 25 = 7671395113 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 7671395094 and 7671395103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109827 + ... + 165543.
It is an arithmetic number, because the mean of its divisors is an integer number (392143284).
Almost surely, 27671395145 is an apocalyptic number.
It is an amenable number.
7671395145 is a deficient number, since it is larger than the sum of its proper divisors (4877189943).
7671395145 is a wasteful number, since it uses less digits than its factorization.
7671395145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55929.
The product of its digits is 793800, while the sum is 48.
The square root of 7671395145 is about 87586.5009290815. The cubic root of 7671395145 is about 1972.2325300238.
The spelling of 7671395145 in words is "seven billion, six hundred seventy-one million, three hundred ninety-five thousand, one hundred forty-five".
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