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143020302345 = 3552322922349
BaseRepresentation
bin1000010100110010101…
…1001010000000001001
3111200011022221010200000
42011030223022000021
54320401144133340
6145411433233213
713222114340334
oct2051453120011
9450138833600
10143020302345
1155722260a88
1223875262809
131064353444b
146cca7db61b
153ac0e75d30
hex214caca009

143020302345 has 96 divisors (see below), whose sum is σ = 269444448000. Its totient is φ = 72639224064.

The previous prime is 143020302343. The next prime is 143020302361. The reversal of 143020302345 is 543203020341.

143020302345 is a `hidden beast` number, since 1 + 430 + 203 + 0 + 23 + 4 + 5 = 666.

It is not a de Polignac number, because 143020302345 - 21 = 143020302343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (143020302343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6388231 + ... + 6410579.

It is an arithmetic number, because the mean of its divisors is an integer number (2806713000).

Almost surely, 2143020302345 is an apocalyptic number.

143020302345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143020302345 is a deficient number, since it is larger than the sum of its proper divisors (126424145655).

143020302345 is a wasteful number, since it uses less digits than its factorization.

143020302345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22621 (or 22609 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 143020302345 its reverse (543203020341), we get a palindrome (686223322686).

The spelling of 143020302345 in words is "one hundred forty-three billion, twenty million, three hundred two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 23 27 45 69 81 115 135 207 229 243 345 405 621 687 1035 1145 1215 1863 2061 3105 3435 5267 5589 6183 9315 10305 15801 18549 22349 26335 27945 30915 47403 55647 67047 79005 92745 111745 142209 201141 237015 278235 335235 426627 514027 603423 711045 1005705 1279881 1542081 1810269 2133135 2570135 3017115 4626243 5117921 5430807 6399405 7710405 9051345 13878729 15353763 23131215 25589605 27154035 41636187 46061289 69393645 76768815 117712183 124908561 138183867 208180935 230306445 353136549 414551601 588560915 624542805 690919335 1059409647 1243654803 1765682745 2072758005 3178228941 5297048235 6218274015 9534686823 15891144705 28604060469 47673434115 143020302345