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2678282140 = 225133914107
BaseRepresentation
bin1001111110100011…
…0101011110011100
320220122122211101211
42133220311132130
520441120012030
61121432514204
7123241010512
oct23750653634
96818584354
102678282140
111154903016
12628b4b964
13338b51441
141b59bc4b2
1510a1e512a
hex9fa3579c

2678282140 has 12 divisors (see below), whose sum is σ = 5624392536. Its totient is φ = 1071312848.

The previous prime is 2678282129. The next prime is 2678282147. The reversal of 2678282140 is 412828762.

It is a junction number, because it is equal to n+sod(n) for n = 2678282093 and 2678282102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678282147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66957034 + ... + 66957073.

It is an arithmetic number, because the mean of its divisors is an integer number (468699378).

Almost surely, 22678282140 is an apocalyptic number.

2678282140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678282140 is an abundant number, since it is smaller than the sum of its proper divisors (2946110396).

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

2678282140 is a wasteful number, since it uses less digits than its factorization.

2678282140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133914116 (or 133914114 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 2678282140 is about 51752.1220820944. The cubic root of 2678282140 is about 1388.7330622356.

The spelling of 2678282140 in words is "two billion, six hundred seventy-eight million, two hundred eighty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 133914107 267828214 535656428 669570535 1339141070 2678282140