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143440004246 = 27116229149531
BaseRepresentation
bin1000010110010110110…
…0001100010010010110
3111201020120200012102212
42011211230030102112
54322231120113441
6145521225033422
713235401630130
oct2054554142226
9451216605385
10143440004246
1155918163260
1223971925872
13106ac483576
146d2a450050
153ae7c2beeb
hex2165b0c496

143440004246 has 32 divisors (see below), whose sum is σ = 268296295680. Its totient is φ = 55876370400.

The previous prime is 143440004237. The next prime is 143440004251. The reversal of 143440004246 is 642400044341.

It is a happy number.

143440004246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884501 + ... + 1034031.

It is an arithmetic number, because the mean of its divisors is an integer number (8384259240).

Almost surely, 2143440004246 is an apocalyptic number.

143440004246 is a deficient number, since it is larger than the sum of its proper divisors (124856291434).

143440004246 is a wasteful number, since it uses less digits than its factorization.

143440004246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155780.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 143440004246 its reverse (642400044341), we get a palindrome (785840048587).

The spelling of 143440004246 in words is "one hundred forty-three billion, four hundred forty million, four thousand, two hundred forty-six".

Divisors: 1 2 7 11 14 22 77 154 6229 12458 43603 68519 87206 137038 149531 299062 479633 959266 1046717 1644841 2093434 3289682 11513887 23027774 931428599 1862857198 6520000193 10245714589 13040000386 20491429178 71720002123 143440004246