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2104310115 = 32546762447
BaseRepresentation
bin111110101101101…
…0011100101100011
312102122122000210200
41331123103211203
513302200410430
6544450400243
7103101224625
oct17533234543
95378560720
102104310115
1198a912376
124a8890083
13276c6991b
1415d68cc15
15c4b19460
hex7d6d3963

2104310115 has 12 divisors (see below), whose sum is σ = 3647470944. Its totient is φ = 1122298704.

The previous prime is 2104310113. The next prime is 2104310119. The reversal of 2104310115 is 5110134012.

It is not a de Polignac number, because 2104310115 - 21 = 2104310113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104310111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23381179 + ... + 23381268.

It is an arithmetic number, because the mean of its divisors is an integer number (303955912).

Almost surely, 22104310115 is an apocalyptic number.

2104310115 is a deficient number, since it is larger than the sum of its proper divisors (1543160829).

2104310115 is a wasteful number, since it uses less digits than its factorization.

2104310115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46762458 (or 46762455 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2104310115 is about 45872.7600543067. The cubic root of 2104310115 is about 1281.4546684266.

Adding to 2104310115 its reverse (5110134012), we get a palindrome (7214444127).

The spelling of 2104310115 in words is "two billion, one hundred four million, three hundred ten thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 45 46762447 140287341 233812235 420862023 701436705 2104310115