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2104121343 = 316719721319
BaseRepresentation
bin111110101101010…
…0101011111111111
312102122021102212010
41331122211133333
513302123340333
6544442342303
7103066510362
oct17532453777
95378242763
102104121343
1198a7a3565
124a87ba993
13276c01a1c
1415d6400d9
15c4acd563
hex7d6a57ff

2104121343 has 16 divisors (see below), whose sum is σ = 2836753920. Its totient is φ = 1387204896.

The previous prime is 2104121321. The next prime is 2104121347. The reversal of 2104121343 is 3431214012.

It is not a de Polignac number, because 2104121343 - 29 = 2104120831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104121347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88038 + ... + 109356.

It is an arithmetic number, because the mean of its divisors is an integer number (177297120).

Almost surely, 22104121343 is an apocalyptic number.

2104121343 is a deficient number, since it is larger than the sum of its proper divisors (732632577).

2104121343 is a wasteful number, since it uses less digits than its factorization.

2104121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21686.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2104121343 is about 45870.7024472048. The cubic root of 2104121343 is about 1281.4163486636.

Adding to 2104121343 its reverse (3431214012), we get a palindrome (5535335355).

The spelling of 2104121343 in words is "two billion, one hundred four million, one hundred twenty-one thousand, three hundred forty-three".

Divisors: 1 3 167 197 501 591 21319 32899 63957 98697 3560273 4199843 10680819 12599529 701373781 2104121343