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163130303 = 7113206233
BaseRepresentation
bin10011011100100…
…10101110111111
3102100221212201002
421232102232333
5313230132203
624104240515
74020404360
oct1156225677
9370855632
10163130303
11840a0236
124677013b
1327a4850b
1417945b67
15e4c4d88
hex9b92bbf

163130303 has 8 divisors (see below), whose sum is σ = 188085408. Its totient is φ = 138587904.

The previous prime is 163130293. The next prime is 163130311. The reversal of 163130303 is 303031361.

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

It is not a de Polignac number, because 163130303 - 214 = 163113919 is a prime.

It is a super-2 number, since 2×1631303032 = 53222991513743618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163130393) 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, 102326 + ... + 103907.

It is an arithmetic number, because the mean of its divisors is an integer number (23510676).

Almost surely, 2163130303 is an apocalyptic number.

163130303 is a deficient number, since it is larger than the sum of its proper divisors (24955105).

163130303 is a wasteful number, since it uses less digits than its factorization.

163130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206353.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 163130303 is about 12772.2473746792. The cubic root of 163130303 is about 546.4010781494.

Adding to 163130303 its reverse (303031361), we get a palindrome (466161664).

The spelling of 163130303 in words is "one hundred sixty-three million, one hundred thirty thousand, three hundred three".

Divisors: 1 7 113 791 206233 1443631 23304329 163130303