Base | Representation |
---|---|
bin | 1000000110001111… |
… | …1110001000110011 |
3 | 12121111011220200120 |
4 | 2001203332020303 |
5 | 13422431043134 |
6 | 555405421323 |
7 | 104603030565 |
oct | 20143761063 |
9 | 5544156616 |
10 | 2173690419 |
11 | a15a9a86a |
12 | 507b6a843 |
13 | 28844c364 |
14 | 16898d335 |
15 | cac71649 |
hex | 818fe233 |
2173690419 has 8 divisors (see below), whose sum is σ = 2901547152. Its totient is φ = 1447480320.
The previous prime is 2173690411. The next prime is 2173690427. The reversal of 2173690419 is 9140963712.
It is an interprime number because it is at equal distance from previous prime (2173690411) and next prime (2173690427).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2173690419 - 23 = 2173690411 is a prime.
It is a super-2 number, since 2×21736904192 = 9449860075304791122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (2173690411) 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, 408574 + ... + 413859.
It is an arithmetic number, because the mean of its divisors is an integer number (362693394).
Almost surely, 22173690419 is an apocalyptic number.
2173690419 is a deficient number, since it is larger than the sum of its proper divisors (727856733).
2173690419 is an equidigital number, since it uses as much as digits as its factorization.
2173690419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 823317.
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 2173690419 is about 46622.8529693325. The cubic root of 2173690419 is about 1295.3860933921.
The spelling of 2173690419 in words is "two billion, one hundred seventy-three million, six hundred ninety thousand, four hundred nineteen".
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