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143289967820 = 22520273534533
BaseRepresentation
bin1000010101110010111…
…1110110010011001100
3111200212010100120011012
42011130233312103030
54321424212432240
6145454305144352
713231600426136
oct2053457662314
9450763316135
10143289967820
11558504a670a
122392b62b0b8
1310687370c0c
146d14556056
153ad9991b65
hex215cbf64cc

143289967820 has 24 divisors (see below), whose sum is σ = 301057467984. Its totient is φ = 57287694656.

The previous prime is 143289967697. The next prime is 143289967867. The reversal of 143289967820 is 28769982341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143289967820.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726727 + ... + 1807806.

It is an arithmetic number, because the mean of its divisors is an integer number (12544061166).

Almost surely, 2143289967820 is an apocalyptic number.

143289967820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143289967820 is an abundant number, since it is smaller than the sum of its proper divisors (157767500164).

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

143289967820 is a wasteful number, since it uses less digits than its factorization.

143289967820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536569 (or 3536567 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 143289967820 in words is "one hundred forty-three billion, two hundred eighty-nine million, nine hundred sixty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2027 4054 8108 10135 20270 40540 3534533 7069066 14138132 17672665 35345330 70690660 7164498391 14328996782 28657993564 35822491955 71644983910 143289967820