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10312552223 = 17606620719
BaseRepresentation
bin10011001101010110…
…10000111100011111
3222121200212221011122
421212223100330133
5132110003132343
64423145441155
7513361150631
oct114653207437
928550787148
1010312552223
114412192136
121bb97a01bb
13c8469170c
146db882a51
1540554b068
hex266ad0f1f

10312552223 has 4 divisors (see below), whose sum is σ = 10919172960. Its totient is φ = 9705931488.

The previous prime is 10312552181. The next prime is 10312552241. The reversal of 10312552223 is 32225521301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32225521301 = 89362084509.

It is a cyclic number.

It is not a de Polignac number, because 10312552223 - 232 = 6017584927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10312552192 and 10312552201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312582223) 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 3 ways as a sum of consecutive naturals, for example, 303310343 + ... + 303310376.

It is an arithmetic number, because the mean of its divisors is an integer number (2729793240).

Almost surely, 210312552223 is an apocalyptic number.

10312552223 is a deficient number, since it is larger than the sum of its proper divisors (606620737).

10312552223 is an equidigital number, since it uses as much as digits as its factorization.

10312552223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606620736.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 10312552223 in words is "ten billion, three hundred twelve million, five hundred fifty-two thousand, two hundred twenty-three".

Divisors: 1 17 606620719 10312552223