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2081824005 = 351271092821
BaseRepresentation
bin111110000010110…
…0001110100000101
312101002022121122210
41330011201310011
513230421332010
6542324414033
7102406132512
oct17405416405
95332277583
102081824005
11979154208
124a1247319
132723c5a31
1415a6b8309
15c2b76b20
hex7c161d05

2081824005 has 16 divisors (see below), whose sum is σ = 3357149184. Its totient is φ = 1101562560.

The previous prime is 2081823979. The next prime is 2081824007. The reversal of 2081824005 is 5004281802.

It is not a de Polignac number, because 2081824005 - 218 = 2081561861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081824007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544506 + ... + 548315.

It is an arithmetic number, because the mean of its divisors is an integer number (209821824).

Almost surely, 22081824005 is an apocalyptic number.

It is an amenable number.

2081824005 is a deficient number, since it is larger than the sum of its proper divisors (1275325179).

2081824005 is a wasteful number, since it uses less digits than its factorization.

2081824005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092956.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 2081824005 is about 45627.0095995782. The cubic root of 2081824005 is about 1276.8738827988.

The spelling of 2081824005 in words is "two billion, eighty-one million, eight hundred twenty-four thousand, five".

Divisors: 1 3 5 15 127 381 635 1905 1092821 3278463 5464105 16392315 138788267 416364801 693941335 2081824005