Base | Representation |
---|---|
bin | 10010101100101100… |
… | …001111111000111111 |
3 | 1220211012200212211020 |
4 | 102230230033320333 |
5 | 312104222243014 |
6 | 13120122555223 |
7 | 1310346646212 |
oct | 225454177077 |
9 | 56735625736 |
10 | 20077149759 |
11 | 8573033857 |
12 | 3a83968b13 |
13 | 1b7c67a894 |
14 | d86649779 |
15 | 7c790a1a9 |
hex | 4acb0fe3f |
20077149759 has 8 divisors (see below), whose sum is σ = 26771290800. Its totient is φ = 13383887616.
The previous prime is 20077149751. The next prime is 20077149769. The reversal of 20077149759 is 95794177002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20077149759 - 23 = 20077149751 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20077149751) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164434 + ... + 259215.
It is an arithmetic number, because the mean of its divisors is an integer number (3346411350).
Almost surely, 220077149759 is an apocalyptic number.
20077149759 is a deficient number, since it is larger than the sum of its proper divisors (6694141041).
20077149759 is a wasteful number, since it uses less digits than its factorization.
20077149759 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439449.
The product of its (nonzero) digits is 1111320, while the sum is 51.
The spelling of 20077149759 in words is "twenty billion, seventy-seven million, one hundred forty-nine thousand, seven hundred fifty-nine".
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