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2117389355 = 517196432039
BaseRepresentation
bin111111000110100…
…1100110000101011
312110120020112010222
41332031030300223
513314022424410
6550035000255
7103320340544
oct17615146053
95416215128
102117389355
11997235a64
124b113908b
13279898c13
141612d54cb
15c5d4e955
hex7e34cc2b

2117389355 has 32 divisors (see below), whose sum is σ = 2837721600. Its totient is φ = 1507272192.

The previous prime is 2117389349. The next prime is 2117389357. The reversal of 2117389355 is 5539837112.

It is a cyclic number.

It is not a de Polignac number, because 2117389355 - 210 = 2117388331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2117389357) 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 31 ways as a sum of consecutive naturals, for example, 1037426 + ... + 1039464.

It is an arithmetic number, because the mean of its divisors is an integer number (88678800).

Almost surely, 22117389355 is an apocalyptic number.

2117389355 is a deficient number, since it is larger than the sum of its proper divisors (720332245).

2117389355 is a wasteful number, since it uses less digits than its factorization.

2117389355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its digits is 226800, while the sum is 44.

The square root of 2117389355 is about 46015.0992066735. The cubic root of 2117389355 is about 1284.1041270857.

The spelling of 2117389355 in words is "two billion, one hundred seventeen million, three hundred eighty-nine thousand, three hundred fifty-five".

Divisors: 1 5 17 19 85 95 323 643 1615 2039 3215 10195 10931 12217 34663 38741 54655 61085 173315 193705 207689 658597 1038445 1311077 3292985 6555385 22288309 24910463 111441545 124552315 423477871 2117389355