Base | Representation |
---|---|
bin | 111111101101100… |
… | …0001010000000101 |
3 | 12111222121221210212 |
4 | 1333123001100011 |
5 | 13334233230240 |
6 | 552044125205 |
7 | 103655624201 |
oct | 17733012005 |
9 | 5458557725 |
10 | 2137789445 |
11 | 9a77a9940 |
12 | 4b7b36805 |
13 | 280b8c48c |
14 | 163cc5b01 |
15 | c7a2e165 |
hex | 7f6c1405 |
2137789445 has 8 divisors (see below), whose sum is σ = 2798560800. Its totient is φ = 1554755920.
The previous prime is 2137789399. The next prime is 2137789471. The reversal of 2137789445 is 5449877312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2137789445 - 28 = 2137789189 is a prime.
It is a super-2 number, since 2×21377894452 = 9140287422306816050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2137789393 and 2137789402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19434395 + ... + 19434504.
It is an arithmetic number, because the mean of its divisors is an integer number (349820100).
Almost surely, 22137789445 is an apocalyptic number.
It is an amenable number.
2137789445 is a deficient number, since it is larger than the sum of its proper divisors (660771355).
2137789445 is a wasteful number, since it uses less digits than its factorization.
2137789445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38868915.
The product of its digits is 1693440, while the sum is 50.
The square root of 2137789445 is about 46236.2351949204. The cubic root of 2137789445 is about 1288.2148745598.
The spelling of 2137789445 in words is "two billion, one hundred thirty-seven million, seven hundred eighty-nine thousand, four hundred forty-five".
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