Base | Representation |
---|---|
bin | 1000001010001001… |
… | …1000001000010111 |
3 | 12122121222001120010 |
4 | 2002202120020113 |
5 | 13441123043230 |
6 | 1001152211303 |
7 | 105162054612 |
oct | 20242301027 |
9 | 5577861503 |
10 | 2190049815 |
11 | a24253928 |
12 | 511539b33 |
13 | 28b959685 |
14 | 16ac0b179 |
15 | cc4039b0 |
hex | 82898217 |
2190049815 has 8 divisors (see below), whose sum is σ = 3504079728. Its totient is φ = 1168026560.
The previous prime is 2190049793. The next prime is 2190049817. The reversal of 2190049815 is 5189400912.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2190049815 - 25 = 2190049783 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2190049817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73001646 + ... + 73001675.
It is an arithmetic number, because the mean of its divisors is an integer number (438009966).
Almost surely, 22190049815 is an apocalyptic number.
2190049815 is a deficient number, since it is larger than the sum of its proper divisors (1314029913).
2190049815 is a wasteful number, since it uses less digits than its factorization.
2190049815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146003329.
The product of its (nonzero) digits is 25920, while the sum is 39.
The square root of 2190049815 is about 46797.9680648637. The cubic root of 2190049815 is about 1298.6277067353.
The spelling of 2190049815 in words is "two billion, one hundred ninety million, forty-nine thousand, eight hundred fifteen".
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