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2678274020 = 2251131185077
BaseRepresentation
bin1001111110100011…
…0011011111100100
320220122122102021002
42133220303133210
520441114232040
61121432412432
7123240645032
oct23750633744
96818572232
102678274020
1111548a7a04
12628b47118
13338b4a836
141b59b9552
1510a1e2a15
hex9fa337e4

2678274020 has 24 divisors (see below), whose sum is σ = 5674153464. Its totient is φ = 1061828096.

The previous prime is 2678274019. The next prime is 2678274041. The reversal of 2678274020 is 204728762.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 164454976 + 2513819044 = 12824^2 + 50138^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590279 + ... + 594798.

It is an arithmetic number, because the mean of its divisors is an integer number (236423061).

Almost surely, 22678274020 is an apocalyptic number.

2678274020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678274020 is an abundant number, since it is smaller than the sum of its proper divisors (2995879444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2678274020 is a wasteful number, since it uses less digits than its factorization.

2678274020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185199 (or 1185197 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 2678274020 is about 51752.0436311456. The cubic root of 2678274020 is about 1388.7316587833.

The spelling of 2678274020 in words is "two billion, six hundred seventy-eight million, two hundred seventy-four thousand, twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 1185077 2370154 4740308 5925385 11850770 23701540 133913701 267827402 535654804 669568505 1339137010 2678274020