Base | Representation |
---|---|
bin | 111011000000101… |
… | …1010010010111101 |
3 | 12002222212112221222 |
4 | 1312001122102331 |
5 | 13023400100331 |
6 | 524252003125 |
7 | 100032261620 |
oct | 16601322275 |
9 | 5088775858 |
10 | 1980081341 |
11 | 926782467 |
12 | 4731604a5 |
13 | 2572c1c84 |
14 | 14ad91db7 |
15 | b8c7ab7b |
hex | 7605a4bd |
1980081341 has 16 divisors (see below), whose sum is σ = 2400024960. Its totient is φ = 1594736640.
The previous prime is 1980081319. The next prime is 1980081349. The reversal of 1980081341 is 1431800891.
It is not a de Polignac number, because 1980081341 - 222 = 1975887037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1980081349) 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, 60221 + ... + 87101.
It is an arithmetic number, because the mean of its divisors is an integer number (150001560).
Almost surely, 21980081341 is an apocalyptic number.
It is an amenable number.
1980081341 is a deficient number, since it is larger than the sum of its proper divisors (419943619).
1980081341 is a wasteful number, since it uses less digits than its factorization.
1980081341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27524.
The product of its (nonzero) digits is 6912, while the sum is 35.
The square root of 1980081341 is about 44498.1049147040. The cubic root of 1980081341 is about 1255.7244307758.
The spelling of 1980081341 in words is "one billion, nine hundred eighty million, eighty-one thousand, three hundred forty-one".
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