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2008697055 = 3543792499
BaseRepresentation
bin111011110111010…
…0100100011011111
312011222201101100020
41313232210203133
513103211301210
6531153203223
7100530433431
oct16756444337
95158641306
102008697055
11940947912
12480860513
13260200b51
14150ac0651
15bb52e770
hex77ba48df

2008697055 has 48 divisors (see below), whose sum is σ = 3337488000. Its totient is φ = 1031075136.

The previous prime is 2008697021. The next prime is 2008697057. The reversal of 2008697055 is 5507968002.

It is not a de Polignac number, because 2008697055 - 213 = 2008688863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2008696998 and 2008697016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008697057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4025196 + ... + 4025694.

It is an arithmetic number, because the mean of its divisors is an integer number (69531000).

Almost surely, 22008697055 is an apocalyptic number.

2008697055 is a deficient number, since it is larger than the sum of its proper divisors (1328790945).

2008697055 is an equidigital number, since it uses as much as digits as its factorization.

2008697055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 2008697055 is about 44818.4901017426. The cubic root of 2008697055 is about 1261.7446761918.

The spelling of 2008697055 in words is "two billion, eight million, six hundred ninety-seven thousand, fifty-five".

Divisors: 1 3 5 15 43 79 129 215 237 395 499 645 1185 1497 2495 3397 6241 7485 10191 16985 18723 21457 31205 39421 50955 64371 93615 107285 118263 197105 268363 321855 591315 805089 1341815 1695103 3114259 4025445 5085309 8475515 9342777 15571295 25426545 46713885 133913137 401739411 669565685 2008697055