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12253532215 = 52450706443
BaseRepresentation
bin10110110100101111…
…00001000000110111
31011121222011221011111
423122113201000313
5200043401012330
65343523415451
7612440206501
oct133227410067
934558157144
1012253532215
115218888131
12245b824587
131203842ba2
14843576d71
154bab5132a
hex2da5e1037

12253532215 has 4 divisors (see below), whose sum is σ = 14704238664. Its totient is φ = 9802825768.

The previous prime is 12253532191. The next prime is 12253532219. The reversal of 12253532215 is 51223535221.

12253532215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12253532215 - 27 = 12253532087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253532219) 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 3 ways as a sum of consecutive naturals, for example, 1225353217 + ... + 1225353226.

It is an arithmetic number, because the mean of its divisors is an integer number (3676059666).

Almost surely, 212253532215 is an apocalyptic number.

12253532215 is a deficient number, since it is larger than the sum of its proper divisors (2450706449).

12253532215 is an equidigital number, since it uses as much as digits as its factorization.

12253532215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450706448.

The product of its digits is 18000, while the sum is 31.

The spelling of 12253532215 in words is "twelve billion, two hundred fifty-three million, five hundred thirty-two thousand, two hundred fifteen".

Divisors: 1 5 2450706443 12253532215