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204203131143 = 31129726322051
BaseRepresentation
bin1011111000101101110…
…1001000000100000111
3201112002021012212111020
42332023131020010013
511321202000144033
6233450513442223
720516225655444
oct2761335100407
9645067185436
10204203131143
1179669386900
12336ab270373
131634405311b
149c523d09cb
1554a24716b3
hex2f8b748107

204203131143 has 48 divisors (see below), whose sum is σ = 303521611008. Its totient is φ = 122012352000.

The previous prime is 204203131117. The next prime is 204203131157. The reversal of 204203131143 is 341131302402.

It is a happy number.

It is not a de Polignac number, because 204203131143 - 210 = 204203130119 is a prime.

It is a super-3 number, since 3×2042031311433 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204203131163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9249468 + ... + 9271518.

It is an arithmetic number, because the mean of its divisors is an integer number (6323366896).

Almost surely, 2204203131143 is an apocalyptic number.

204203131143 is a deficient number, since it is larger than the sum of its proper divisors (99318479865).

204203131143 is a wasteful number, since it uses less digits than its factorization.

204203131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22436 (or 22425 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 204203131143 its reverse (341131302402), we get a palindrome (545334433545).

The spelling of 204203131143 in words is "two hundred four billion, two hundred three million, one hundred thirty-one thousand, one hundred forty-three".

Divisors: 1 3 11 33 97 121 263 291 363 789 1067 2893 3201 8679 11737 22051 25511 31823 35211 66153 76533 95469 242561 280621 727683 841863 2138947 2668171 3086831 5799413 6416841 8004513 9260493 17398239 23528417 63793543 70585251 191380629 258812587 562543061 701728973 776437761 1687629183 2105186919 6187973671 18563921013 68067710381 204203131143