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213553103 = 1917364969
BaseRepresentation
bin11001011101010…
…00111111001111
3112212211121210012
430232220333033
5414132144403
633105103435
75202112541
oct1456507717
9485747705
10213553103
11aa5aa675
125b627b7b
13353211aa
142050d691
1513b34ed8
hexcba8fcf

213553103 has 8 divisors (see below), whose sum is σ = 226095600. Its totient is φ = 201140928.

The previous prime is 213553057. The next prime is 213553117. The reversal of 213553103 is 301355312.

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

It is a cyclic number.

It is not a de Polignac number, because 213553103 - 220 = 212504527 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 (213553003) 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, 29198 + ... + 35771.

It is an arithmetic number, because the mean of its divisors is an integer number (28261950).

Almost surely, 2213553103 is an apocalyptic number.

213553103 is a deficient number, since it is larger than the sum of its proper divisors (12542497).

213553103 is a wasteful number, since it uses less digits than its factorization.

213553103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65161.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 213553103 is about 14613.4562304747. The cubic root of 213553103 is about 597.7257451293.

The spelling of 213553103 in words is "two hundred thirteen million, five hundred fifty-three thousand, one hundred three".

Divisors: 1 19 173 3287 64969 1234411 11239637 213553103