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2080631447 = 8087257281
BaseRepresentation
bin111110000000011…
…1110101010010111
312101000002000202222
41330000332222113
513230120201242
6542243052555
7102363034616
oct17400765227
95330060688
102080631447
1197850a224
124a097115b
13272098c8b
1415a48787d
15c29dd5d2
hex7c03ea97

2080631447 has 4 divisors (see below), whose sum is σ = 2080896816. Its totient is φ = 2080366080.

The previous prime is 2080631437. The next prime is 2080631459. The reversal of 2080631447 is 7441360802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2080631447 - 24 = 2080631431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080631417) by changing a digit.

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, 120554 + ... + 136727.

It is an arithmetic number, because the mean of its divisors is an integer number (520224204).

Almost surely, 22080631447 is an apocalyptic number.

2080631447 is a deficient number, since it is larger than the sum of its proper divisors (265369).

2080631447 is an equidigital number, since it uses as much as digits as its factorization.

2080631447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265368.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2080631447 is about 45613.9391743357. The cubic root of 2080631447 is about 1276.6300202024.

The spelling of 2080631447 in words is "two billion, eighty million, six hundred thirty-one thousand, four hundred forty-seven".

Divisors: 1 8087 257281 2080631447