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143321124020 = 22546073155537
BaseRepresentation
bin1000010101111010011…
…0101100110010110100
3111200221021222110102112
42011132212230302310
54322010201432040
6145501341030152
713232426311424
oct2053646546264
9450837873375
10143321124020
1155867046838
1223939b55358
131069095c239
146d18746484
153adc598365
hex215e9accb4

143321124020 has 24 divisors (see below), whose sum is σ = 300982828104. Its totient is φ = 57326836736.

The previous prime is 143321124013. The next prime is 143321124029. The reversal of 143321124020 is 20421123341.

143321124020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39300683536 + 104020440484 = 198244^2 + 322522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143321124029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843692 + ... + 999228.

It is an arithmetic number, because the mean of its divisors is an integer number (12540951171).

Almost surely, 2143321124020 is an apocalyptic number.

143321124020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143321124020 is an abundant number, since it is smaller than the sum of its proper divisors (157661704084).

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

143321124020 is a wasteful number, since it uses less digits than its factorization.

143321124020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201619 (or 201617 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 143321124020 its reverse (20421123341), we get a palindrome (163742247361).

The spelling of 143321124020 in words is "one hundred forty-three billion, three hundred twenty-one million, one hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 46073 92146 155537 184292 230365 311074 460730 622148 777685 921460 1555370 3110740 7166056201 14332112402 28664224804 35830281005 71660562010 143321124020