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5215123283 = 11234643921
BaseRepresentation
bin1001101101101100…
…00111011101010011
3111110110011201020012
410312312013131103
541140032421113
62221254105135
7243143550026
oct46666073523
914413151205
105215123283
11223688a347
12101664b1ab
136515ac686
1437689d1bd
15207c9baa8
hex136d87753

5215123283 has 4 divisors (see below), whose sum is σ = 5219768328. Its totient is φ = 5210478240.

The previous prime is 5215123271. The next prime is 5215123297. The reversal of 5215123283 is 3823215125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5215123283 - 24 = 5215123267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215123253) 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, 2320838 + ... + 2323083.

It is an arithmetic number, because the mean of its divisors is an integer number (1304942082).

Almost surely, 25215123283 is an apocalyptic number.

5215123283 is a deficient number, since it is larger than the sum of its proper divisors (4645045).

5215123283 is a wasteful number, since it uses less digits than its factorization.

5215123283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645044.

The product of its digits is 14400, while the sum is 32.

The square root of 5215123283 is about 72215.8104780387. The cubic root of 5215123283 is about 1734.1561208829.

The spelling of 5215123283 in words is "five billion, two hundred fifteen million, one hundred twenty-three thousand, two hundred eighty-three".

Divisors: 1 1123 4643921 5215123283