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2831001382 = 211128681881
BaseRepresentation
bin1010100010111101…
…1010011100100110
321022022000202211001
42220233122130212
521244214021012
61144530103514
7130104054226
oct25057323446
97268022731
102831001382
111223032270
1267011ab9a
13361692c61
141cbdb4086
15118810357
hexa8bda726

2831001382 has 8 divisors (see below), whose sum is σ = 4632547752. Its totient is φ = 1286818800.

The previous prime is 2831001379. The next prime is 2831001443.

2831001382 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2831001382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64340919 + ... + 64340962.

It is an arithmetic number, because the mean of its divisors is an integer number (579068469).

Almost surely, 22831001382 is an apocalyptic number.

2831001382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2831001382 is a deficient number, since it is larger than the sum of its proper divisors (1801546370).

2831001382 is a wasteful number, since it uses less digits than its factorization.

2831001382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128681894.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2831001382 is about 53207.1553646688. The cubic root of 2831001382 is about 1414.6424751519.

It can be divided in two parts, 283100 and 1382, that added together give a palindrome (284482).

The spelling of 2831001382 in words is "two billion, eight hundred thirty-one million, one thousand, three hundred eighty-two".

Divisors: 1 2 11 22 128681881 257363762 1415500691 2831001382