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143985019018 = 2103698956403
BaseRepresentation
bin1000011000011000101…
…1010000100010001010
3111202122120012211011011
42012012023100202022
54324340131102033
6150051254354134
713255040316361
oct2060613204212
9452576184134
10143985019018
1156077875995
1223aa435b94a
1310768369909
146d7c9a27d8
153b2a9d7ccd
hex21862d088a

143985019018 has 8 divisors (see below), whose sum is σ = 218074398048. Its totient is φ = 71293553004.

The previous prime is 143985018979. The next prime is 143985019019. The reversal of 143985019018 is 810910589341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1439850190182 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143985019019) 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 3 ways as a sum of consecutive naturals, for example, 349477996 + ... + 349478407.

It is an arithmetic number, because the mean of its divisors is an integer number (27259299756).

Almost surely, 2143985019018 is an apocalyptic number.

143985019018 is a deficient number, since it is larger than the sum of its proper divisors (74089379030).

143985019018 is a wasteful number, since it uses less digits than its factorization.

143985019018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698956508.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 143985019018 in words is "one hundred forty-three billion, nine hundred eighty-five million, nineteen thousand, eighteen".

Divisors: 1 2 103 206 698956403 1397912806 71992509509 143985019018