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227434245143 = 732331929977
BaseRepresentation
bin1101001111010000100…
…0110010110000010111
3210202001021122201212212
43103310020302300113
512211241131321033
6252252025104035
722301014121000
oct3236410626027
9722037581785
10227434245143
11884aa77a676
12380b332801b
13185a6c71621
14b0178801a7
155db1bd4748
hex34f4232c17

227434245143 has 32 divisors (see below), whose sum is σ = 285689241600. Its totient is φ = 180452543040.

The previous prime is 227434245139. The next prime is 227434245163. The reversal of 227434245143 is 341542434722.

It is not a de Polignac number, because 227434245143 - 22 = 227434245139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227434245143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227434245163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220430 + ... + 709547.

It is an arithmetic number, because the mean of its divisors is an integer number (8927788800).

Almost surely, 2227434245143 is an apocalyptic number.

227434245143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

227434245143 is a deficient number, since it is larger than the sum of its proper divisors (58254996457).

227434245143 is an equidigital number, since it uses as much as digits as its factorization.

227434245143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930052 (or 930038 counting only the distinct ones).

The product of its digits is 645120, while the sum is 41.

Adding to 227434245143 its reverse (341542434722), we get a palindrome (568976679865).

The spelling of 227434245143 in words is "two hundred twenty-seven billion, four hundred thirty-four million, two hundred forty-five thousand, one hundred forty-three".

Divisors: 1 7 23 31 49 161 217 343 713 1127 1519 4991 7889 10633 34937 244559 929977 6509839 21389471 28829287 45568873 149726297 201805009 318982111 663073601 1048084079 1412635063 4641515207 7336588553 9888445441 32490606449 227434245143