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2008743745 = 519109119381
BaseRepresentation
bin111011110111010…
…1111111101000001
312011222210202101111
41313232233331001
513103214244440
6531154203321
7100531016521
oct16756577501
95158722344
102008743745
119409799a8
12480883541
13260219188
14150ad3681
15bb53d4ea
hex77baff41

2008743745 has 16 divisors (see below), whose sum is σ = 2539817280. Its totient is φ = 1520942400.

The previous prime is 2008743743. The next prime is 2008743757. The reversal of 2008743745 is 5473478002.

It is not a de Polignac number, because 2008743745 - 21 = 2008743743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2008743698 and 2008743707.

It is not an unprimeable number, because it can be changed into a prime (2008743743) 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, 93955 + ... + 113335.

It is an arithmetic number, because the mean of its divisors is an integer number (158738580).

Almost surely, 22008743745 is an apocalyptic number.

It is an amenable number.

2008743745 is a deficient number, since it is larger than the sum of its proper divisors (531073535).

2008743745 is a wasteful number, since it uses less digits than its factorization.

2008743745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20496.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2008743745 is about 44819.0109774859. The cubic root of 2008743745 is about 1261.7544520815.

The spelling of 2008743745 in words is "two billion, eight million, seven hundred forty-three thousand, seven hundred forty-five".

Divisors: 1 5 19 95 1091 5455 19381 20729 96905 103645 368239 1841195 21144671 105723355 401748749 2008743745