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5145105223 = 28118309983
BaseRepresentation
bin1001100101010110…
…00001001101000111
3111021120102102111201
410302223001031013
541014121331343
62210313243331
7241333446526
oct46253011507
914246372451
105145105223
112200306785
12bb7103547
1363cc3587b
1436b4744bd
15201a6a94d
hex132ac1347

5145105223 has 4 divisors (see below), whose sum is σ = 5163415488. Its totient is φ = 5126794960.

The previous prime is 5145105197. The next prime is 5145105227. The reversal of 5145105223 is 3225015415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225015415 = 5645003083.

It is a cyclic number.

It is not a de Polignac number, because 5145105223 - 217 = 5144974151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5145105191 and 5145105200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145105227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9154711 + ... + 9155272.

It is an arithmetic number, because the mean of its divisors is an integer number (1290853872).

Almost surely, 25145105223 is an apocalyptic number.

5145105223 is a deficient number, since it is larger than the sum of its proper divisors (18310265).

5145105223 is a wasteful number, since it uses less digits than its factorization.

5145105223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18310264.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5145105223 is about 71729.3888374912. The cubic root of 5145105223 is about 1726.3602207599.

The spelling of 5145105223 in words is "five billion, one hundred forty-five million, one hundred five thousand, two hundred twenty-three".

Divisors: 1 281 18309983 5145105223