Base | Representation |
---|---|
bin | 10010111110101100… |
… | …000110011101111000 |
3 | 1221121020212121010022 |
4 | 102332230012131320 |
5 | 313214022213143 |
6 | 13210110510012 |
7 | 1321004333525 |
oct | 227654063570 |
9 | 57536777108 |
10 | 20379101048 |
11 | 8708520279 |
12 | 3b48b05308 |
13 | 1bca0ac897 |
14 | db47aa14c |
15 | 7e41a2268 |
hex | 4beb06778 |
20379101048 has 8 divisors (see below), whose sum is σ = 38210814480. Its totient is φ = 10189550520.
The previous prime is 20379101047. The next prime is 20379101053. The reversal of 20379101048 is 84010197302.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 20379100999 and 20379101017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20379101047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273693808 + ... + 1273693823.
It is an arithmetic number, because the mean of its divisors is an integer number (4776351810).
Almost surely, 220379101048 is an apocalyptic number.
It is an amenable number.
20379101048 is a deficient number, since it is larger than the sum of its proper divisors (17831713432).
20379101048 is a wasteful number, since it uses less digits than its factorization.
20379101048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2547387637 (or 2547387633 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The spelling of 20379101048 in words is "twenty billion, three hundred seventy-nine million, one hundred one thousand, forty-eight".
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