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43051144135 = 5311369120287
BaseRepresentation
bin101000000110000011…
…000101001111000111
311010010022022201101211
4220012003011033013
51201132043103020
631435531232251
73052563454516
oct500603051707
9133108281354
1043051144135
111729228086a
1284158a8687
1340a1232bac
1421258c867d
1511be7ce85a
hexa060c53c7

43051144135 has 16 divisors (see below), whose sum is σ = 53334392832. Its totient is φ = 33325840800.

The previous prime is 43051144133. The next prime is 43051144163. The reversal of 43051144135 is 53144115034.

It is not a de Polignac number, because 43051144135 - 21 = 43051144133 is a prime.

It is a super-2 number, since 2×430511441352 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43051144097 and 43051144106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43051144133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2111962 + ... + 2132248.

It is an arithmetic number, because the mean of its divisors is an integer number (3333399552).

Almost surely, 243051144135 is an apocalyptic number.

43051144135 is a deficient number, since it is larger than the sum of its proper divisors (10283248697).

43051144135 is a wasteful number, since it uses less digits than its factorization.

43051144135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34014.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 43051144135 its reverse (53144115034), we get a palindrome (96195259169).

The spelling of 43051144135 in words is "forty-three billion, fifty-one million, one hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 31 155 13691 20287 68455 101435 424421 628897 2122105 3144485 277749317 1388746585 8610228827 43051144135