Base | Representation |
---|---|
bin | 101001000010100111011… |
… | …100101011101001101000 |
3 | 100222121201002210202211100 |
4 | 221002213130223221220 |
5 | 332201442303010242 |
6 | 5555344225201400 |
7 | 410521600161153 |
oct | 51024734535150 |
9 | 10877632722740 |
10 | 2820307860072 |
11 | 9980a429740a |
12 | 396717490260 |
13 | 175c52908ca1 |
14 | 9a709d58c9a |
15 | 4d56909d54c |
hex | 290a772ba68 |
2820307860072 has 48 divisors (see below), whose sum is σ = 7638485868000. Its totient is φ = 940083902496.
The previous prime is 2820307860053. The next prime is 2820307860091. The reversal of 2820307860072 is 2700687030282.
2820307860072 is a `hidden beast` number, since 2 + 8 + 2 + 0 + 30 + 7 + 8 + 600 + 7 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (2820307860053) and next prime (2820307860091).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3522079 + ... + 4248017.
It is an arithmetic number, because the mean of its divisors is an integer number (159135122250).
Almost surely, 22820307860072 is an apocalyptic number.
It is an amenable number.
2820307860072 is an abundant number, since it is smaller than the sum of its proper divisors (4818178007928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2820307860072 is a wasteful number, since it uses less digits than its factorization.
2820307860072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779910 (or 779903 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The spelling of 2820307860072 in words is "two trillion, eight hundred twenty billion, three hundred seven million, eight hundred sixty thousand, seventy-two".
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