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43143132140 = 22531157443221
BaseRepresentation
bin101000001011100001…
…111111001111101100
311010100201102012012222
4220023201333033230
51201324120212030
631453015014512
73055061400233
oct501341771754
9133321365188
1043143132140
111732a19a809
12844066a438
1340b72cc974
142133bd1b1a
1511c79003e5
hexa0b87f3ec

43143132140 has 48 divisors (see below), whose sum is σ = 94119078144. Its totient is φ = 16594156800.

The previous prime is 43143132103. The next prime is 43143132161. The reversal of 43143132140 is 4123134134.

It is a happy number.

It is a super-2 number, since 2×431431321402 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124271 + ... + 318950.

It is an arithmetic number, because the mean of its divisors is an integer number (1960814128).

Almost surely, 243143132140 is an apocalyptic number.

It is an amenable number.

43143132140 is an abundant number, since it is smaller than the sum of its proper divisors (50975946004).

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

43143132140 is a wasteful number, since it uses less digits than its factorization.

43143132140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443418 (or 443416 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43143132140 its reverse (4123134134), we get a palindrome (47266266274).

The spelling of 43143132140 in words is "forty-three billion, one hundred forty-three million, one hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 157 310 314 620 628 785 1570 3140 4867 9734 19468 24335 48670 97340 443221 886442 1772884 2216105 4432210 8864420 13739851 27479702 54959404 68699255 69585697 137398510 139171394 274797020 278342788 347928485 695856970 1391713940 2157156607 4314313214 8628626428 10785783035 21571566070 43143132140