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143223220140 = 2235721113443769
BaseRepresentation
bin1000010101100011000…
…1001110011110101100
3111200200110202102112220
42011120301032132230
54321310121021030
6145443522355340
713230130166400
oct2053061163654
9450613672486
10143223220140
1155816857140
12239111bbb50
13106765a0850
146d0973d100
153ad3ba9a10
hex2158c4e7ac

143223220140 has 576 divisors, whose sum is σ = 550005603840. Its totient is φ = 27373731840.

The previous prime is 143223220099. The next prime is 143223220183. The reversal of 143223220140 is 41022322341.

It is a happy number.

143223220140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143223220140.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 186245676 + ... + 186246444.

It is an arithmetic number, because the mean of its divisors is an integer number (954870840).

Almost surely, 2143223220140 is an apocalyptic number.

143223220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143223220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275002801920).

143223220140 is an abundant number, since it is smaller than the sum of its proper divisors (406782383700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143223220140 is a wasteful number, since it uses less digits than its factorization.

143223220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 143223220140 its reverse (41022322341), we get a palindrome (184245542481).

It can be divided in two parts, 143223 and 220140, that added together give a palindrome (363363).

The spelling of 143223220140 in words is "one hundred forty-three billion, two hundred twenty-three million, two hundred twenty thousand, one hundred forty".