Base | Representation |
---|---|
bin | 111101101100011… |
… | …1011010011101001 |
3 | 12100021022121011112 |
4 | 1323120323103221 |
5 | 13214423210240 |
6 | 541230040105 |
7 | 102204555050 |
oct | 17330732351 |
9 | 5307277145 |
10 | 2070131945 |
11 | 972598852 |
12 | 499349035 |
13 | 26cb60c5b |
14 | 158d13397 |
15 | c1b17665 |
hex | 7b63b4e9 |
2070131945 has 8 divisors (see below), whose sum is σ = 2839038144. Its totient is φ = 1419519024.
The previous prime is 2070131941. The next prime is 2070131953. The reversal of 2070131945 is 5491310702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2070131945 - 22 = 2070131941 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2070131941) 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 in 7 ways as a sum of consecutive naturals, for example, 29573279 + ... + 29573348.
It is an arithmetic number, because the mean of its divisors is an integer number (354879768).
Almost surely, 22070131945 is an apocalyptic number.
It is an amenable number.
2070131945 is a deficient number, since it is larger than the sum of its proper divisors (768906199).
2070131945 is an equidigital number, since it uses as much as digits as its factorization.
2070131945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59146639.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 2070131945 is about 45498.7026738126. The cubic root of 2070131945 is about 1274.4789761445.
The spelling of 2070131945 in words is "two billion, seventy million, one hundred thirty-one thousand, nine hundred forty-five".
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