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2678392190 = 251914096801
BaseRepresentation
bin1001111110100101…
…0000010101111110
320220122212102100202
42133221100111332
520441132022230
61121435123502
7123241646405
oct23751202576
96818772322
102678392190
111154978771
12628ba3592
13338b8c566
141b5a0a63c
1510a217a45
hex9fa5057e

2678392190 has 16 divisors (see below), whose sum is σ = 5074848720. Its totient is φ = 1014969600.

The previous prime is 2678392187. The next prime is 2678392193. The reversal of 2678392190 is 912938762.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2678392187) and next prime (2678392193).

It is a super-2 number, since 2×26783921902 = 14347569446905992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678392193) 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, 7048211 + ... + 7048590.

It is an arithmetic number, because the mean of its divisors is an integer number (317178045).

Almost surely, 22678392190 is an apocalyptic number.

2678392190 is a deficient number, since it is larger than the sum of its proper divisors (2396456530).

2678392190 is a wasteful number, since it uses less digits than its factorization.

2678392190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14096827.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2678392190 is about 51753.1853125969. The cubic root of 2678392190 is about 1388.7520828829.

The spelling of 2678392190 in words is "two billion, six hundred seventy-eight million, three hundred ninety-two thousand, one hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 14096801 28193602 70484005 140968010 267839219 535678438 1339196095 2678392190