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2103355405 = 52334495303
BaseRepresentation
bin111110101011110…
…1010100000001101
312102120211112012001
41331113222200031
513301424333110
6544414112301
7103060140334
oct17527524015
95376745161
102103355405
1198a320058
124a84ab691
132769c41c8
1415d4c0d1b
15c49cb63a
hex7d5ea80d

2103355405 has 16 divisors (see below), whose sum is σ = 2635027200. Its totient is φ = 1608754048.

The previous prime is 2103355393. The next prime is 2103355411. The reversal of 2103355405 is 5045533012.

It is a cyclic number.

It is not a de Polignac number, because 2103355405 - 225 = 2069800973 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 393984 + ... + 399286.

It is an arithmetic number, because the mean of its divisors is an integer number (164689200).

Almost surely, 22103355405 is an apocalyptic number.

It is an amenable number.

2103355405 is a deficient number, since it is larger than the sum of its proper divisors (531671795).

2103355405 is a wasteful number, since it uses less digits than its factorization.

2103355405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2103355405 is about 45862.3528070682. The cubic root of 2103355405 is about 1281.2608435965.

Adding to 2103355405 its reverse (5045533012), we get a palindrome (7148888417).

The spelling of 2103355405 in words is "two billion, one hundred three million, three hundred fifty-five thousand, four hundred five".

Divisors: 1 5 23 115 3449 5303 17245 26515 79327 121969 396635 609845 18290047 91450235 420671081 2103355405