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43142131443 = 319756879499
BaseRepresentation
bin101000001011011110…
…001010111011110011
311010100122112100112010
4220023132022323303
51201323341201233
631452541334003
73055050031605
oct501336127363
9133318470463
1043142131443
1117329676994
128440267303
1340b703c338
142133a11175
1511c77a3b63
hexa0b78aef3

43142131443 has 8 divisors (see below), whose sum is σ = 60550360000. Its totient is φ = 27247661928.

The previous prime is 43142131411. The next prime is 43142131507. The reversal of 43142131443 is 34413124134.

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

It is not a de Polignac number, because 43142131443 - 25 = 43142131411 is a prime.

It is a super-2 number, since 2×431421314432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43142131443.

It is not an unprimeable number, because it can be changed into a prime (43142138443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378439693 + ... + 378439806.

It is an arithmetic number, because the mean of its divisors is an integer number (7568795000).

Almost surely, 243142131443 is an apocalyptic number.

43142131443 is a deficient number, since it is larger than the sum of its proper divisors (17408228557).

43142131443 is a wasteful number, since it uses less digits than its factorization.

43142131443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756879521.

The product of its digits is 13824, while the sum is 30.

Adding to 43142131443 its reverse (34413124134), we get a palindrome (77555255577).

The spelling of 43142131443 in words is "forty-three billion, one hundred forty-two million, one hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 3 19 57 756879499 2270638497 14380710481 43142131443