Base | Representation |
---|---|
bin | 111110000000101… |
… | …1111100111010101 |
3 | 12101000022212221000 |
4 | 1330001133213111 |
5 | 13230134011141 |
6 | 542250013513 |
7 | 102364136256 |
oct | 17401374725 |
9 | 5330285830 |
10 | 2080766421 |
11 | 9785a1678 |
12 | 4a0a17299 |
13 | 272115546 |
14 | 15a4c0b2d |
15 | c2a185b6 |
hex | 7c05f9d5 |
2080766421 has 16 divisors (see below), whose sum is σ = 3083924800. Its totient is φ = 1386589104.
The previous prime is 2080766419. The next prime is 2080766449. The reversal of 2080766421 is 1246670802.
2080766421 is a `hidden beast` number, since 2 + 0 + 8 + 0 + 7 + 6 + 642 + 1 = 666.
It is not a de Polignac number, because 2080766421 - 21 = 2080766419 is a prime.
It is a super-2 number, since 2×20807664212 = 8659177797522298482, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2080766021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53970 + ... + 84108.
It is an arithmetic number, because the mean of its divisors is an integer number (192745300).
Almost surely, 22080766421 is an apocalyptic number.
It is an amenable number.
2080766421 is a deficient number, since it is larger than the sum of its proper divisors (1003158379).
2080766421 is a wasteful number, since it uses less digits than its factorization.
2080766421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32705 (or 32699 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 2080766421 is about 45615.4186761450. The cubic root of 2080766421 is about 1276.6576253051.
The spelling of 2080766421 in words is "two billion, eighty million, seven hundred sixty-six thousand, four hundred twenty-one".
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