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143210720317 = 7307163740709
BaseRepresentation
bin1000010101100000000…
…1100010110000111101
3111200122121020101000111
42011120001202300331
54321243421022232
6145442354430021
713226616015640
oct2053001426075
9450577211014
10143210720317
115580a799905
1223908b92311
1310673b151c2
146d07c07a57
153ad2a3b047
hex2158062c3d

143210720317 has 16 divisors (see below), whose sum is σ = 164306862720. Its totient is φ = 122274456768.

The previous prime is 143210720239. The next prime is 143210720351. The reversal of 143210720317 is 713027012341.

It is a cyclic number.

It is not a de Polignac number, because 143210720317 - 215 = 143210687549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143210721317) 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, 3497559 + ... + 3538267.

It is an arithmetic number, because the mean of its divisors is an integer number (10269178920).

Almost surely, 2143210720317 is an apocalyptic number.

It is an amenable number.

143210720317 is a deficient number, since it is larger than the sum of its proper divisors (21096142403).

143210720317 is a wasteful number, since it uses less digits than its factorization.

143210720317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42660.

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 143210720317 its reverse (713027012341), we get a palindrome (856237732658).

The spelling of 143210720317 in words is "one hundred forty-three billion, two hundred ten million, seven hundred twenty thousand, three hundred seventeen".

Divisors: 1 7 307 1637 2149 11459 40709 284963 502559 3517913 12497663 66640633 87483641 466484431 20458674331 143210720317