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143411013221 = 71091631153109
BaseRepresentation
bin1000010110001111110…
…1100110011001100101
3111201011120010022020012
42011203331212121211
54322201204410341
6145514311420005
713234600333160
oct2054375463145
9451146108205
10143411013221
1155902861933
1223964084605
13106a6472908
146d26664ad7
153ae54020eb
hex2163f66665

143411013221 has 16 divisors (see below), whose sum is σ = 166416835200. Its totient is φ = 121048665408.

The previous prime is 143411013209. The next prime is 143411013223. The reversal of 143411013221 is 122310114341.

It is a cyclic number.

It is not a de Polignac number, because 143411013221 - 210 = 143411012197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143411013223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452186 + ... + 700923.

It is an arithmetic number, because the mean of its divisors is an integer number (10401052200).

Almost surely, 2143411013221 is an apocalyptic number.

It is an amenable number.

143411013221 is a deficient number, since it is larger than the sum of its proper divisors (23005821979).

143411013221 is a wasteful number, since it uses less digits than its factorization.

143411013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153388.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 143411013221 its reverse (122310114341), we get a palindrome (265721127562).

The spelling of 143411013221 in words is "one hundred forty-three billion, four hundred eleven million, thirteen thousand, two hundred twenty-one".

Divisors: 1 7 109 163 763 1141 17767 124369 1153109 8071763 125688881 187956767 879822167 1315697369 20487287603 143411013221