Base | Representation |
---|---|
bin | 1000010001000100… |
… | …0101110111100101 |
3 | 12201122120120212210 |
4 | 2010101011313211 |
5 | 14021040313442 |
6 | 1004110234033 |
7 | 105663544401 |
oct | 20421056745 |
9 | 5648516783 |
10 | 2219072997 |
11 | a39677429 |
12 | 51b1b5919 |
13 | 29497bb5b |
14 | 170a04101 |
15 | cec3819c |
hex | 84445de5 |
2219072997 has 8 divisors (see below), whose sum is σ = 2958991840. Its totient is φ = 1479268080.
The previous prime is 2219072987. The next prime is 2219073037. The reversal of 2219072997 is 7992709122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2219072997 - 210 = 2219071973 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 (2219072927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41622 + ... + 78552.
It is an arithmetic number, because the mean of its divisors is an integer number (369873980).
Almost surely, 22219072997 is an apocalyptic number.
It is an amenable number.
2219072997 is a deficient number, since it is larger than the sum of its proper divisors (739918843).
2219072997 is a wasteful number, since it uses less digits than its factorization.
2219072997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56963.
The product of its (nonzero) digits is 285768, while the sum is 48.
The square root of 2219072997 is about 47107.0376589316. The cubic root of 2219072997 is about 1304.3391489680.
The spelling of 2219072997 in words is "two billion, two hundred nineteen million, seventy-two thousand, nine hundred ninety-seven".
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