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2123409119 = 13253237067
BaseRepresentation
bin111111010010000…
…1010011011011111
312110222120100201012
41332210022123133
513322043042434
6550412005435
7103422452066
oct17644123337
95428510635
102123409119
1199a677777
124b316087b
1327abc5c00
141620211dd
15c663d3ce
hex7e90a6df

2123409119 has 12 divisors (see below), whose sum is σ = 2342705976. Its totient is φ = 1923079392.

The previous prime is 2123409097. The next prime is 2123409133. The reversal of 2123409119 is 9119043212.

It is not a de Polignac number, because 2123409119 - 216 = 2123343583 is a prime.

It is a super-2 number, since 2×21234091192 = 9017732573304712322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123409179) 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, 109577 + ... + 127490.

It is an arithmetic number, because the mean of its divisors is an integer number (195225498).

Almost surely, 22123409119 is an apocalyptic number.

2123409119 is a deficient number, since it is larger than the sum of its proper divisors (219296857).

2123409119 is a wasteful number, since it uses less digits than its factorization.

2123409119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237146 (or 237133 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2123409119 is about 46080.4635284846. The cubic root of 2123409119 is about 1285.3198836222.

The spelling of 2123409119 in words is "two billion, one hundred twenty-three million, four hundred nine thousand, one hundred nineteen".

Divisors: 1 13 53 169 689 8957 237067 3081871 12564551 40064323 163339163 2123409119