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7109319943 = 11892372431
BaseRepresentation
bin1101001111011111…
…11001110100000111
3200100110102212120001
412213233321310013
5104024441214233
63133241222131
7341114136205
oct64757716407
920313385501
107109319943
113019031330
121464a91947
13893b608bb
144b6296075
152b921027d
hex1a7bf9d07

7109319943 has 8 divisors (see below), whose sum is σ = 7756598016. Its totient is φ = 6462204600.

The previous prime is 7109319937. The next prime is 7109319949. The reversal of 7109319943 is 3499139017.

It is an interprime number because it is at equal distance from previous prime (7109319937) and next prime (7109319949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7109319943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7109319893 and 7109319902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7109319949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61938 + ... + 134368.

It is an arithmetic number, because the mean of its divisors is an integer number (969574752).

Almost surely, 27109319943 is an apocalyptic number.

7109319943 is a deficient number, since it is larger than the sum of its proper divisors (647278073).

7109319943 is a wasteful number, since it uses less digits than its factorization.

7109319943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81365.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 7109319943 is about 84316.7832818591. The cubic root of 7109319943 is about 1922.8379565536.

The spelling of 7109319943 in words is "seven billion, one hundred nine million, three hundred nineteen thousand, nine hundred forty-three".

Divisors: 1 11 8923 72431 98153 796741 646301813 7109319943