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2112417923 = 71180933911
BaseRepresentation
bin111110111101000…
…1111000010000011
312110012212221121212
41331322033002003
513311234333143
6545340240335
7103230153560
oct17572170203
95405787555
102112417923
1199444a940
124ab5400ab
13278848145
1416079d867
15c56bb918
hex7de8f083

2112417923 has 16 divisors (see below), whose sum is σ = 2636997120. Its totient is φ = 1643956800.

The previous prime is 2112417917. The next prime is 2112417941. The reversal of 2112417923 is 3297142112.

It is a cyclic number.

It is not a de Polignac number, because 2112417923 - 28 = 2112417667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112417923.

It is not an unprimeable number, because it can be changed into a prime (2112417953) 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 15 ways as a sum of consecutive naturals, for example, 45338 + ... + 79248.

It is an arithmetic number, because the mean of its divisors is an integer number (164812320).

Almost surely, 22112417923 is an apocalyptic number.

2112417923 is a deficient number, since it is larger than the sum of its proper divisors (524579197).

2112417923 is a wasteful number, since it uses less digits than its factorization.

2112417923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34738.

The product of its digits is 6048, while the sum is 32.

The square root of 2112417923 is about 45961.0478884022. The cubic root of 2112417923 is about 1283.0983540918.

The spelling of 2112417923 in words is "two billion, one hundred twelve million, four hundred seventeen thousand, nine hundred twenty-three".

Divisors: 1 7 11 77 809 5663 8899 33911 62293 237377 373021 2611147 27433999 192037993 301773989 2112417923