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43131004102 = 2241112979259
BaseRepresentation
bin101000001010110011…
…101110010011000110
311010022212121000200101
4220022303232103012
51201313014112402
631451503034314
73054553325434
oct501263562306
9133285530611
1043131004102
111732336683a
12843859b99a
1340b4944604
142132355d54
1511c6806b87
hexa0acee4c6

43131004102 has 16 divisors (see below), whose sum is σ = 65023318800. Its totient is φ = 21456725760.

The previous prime is 43131004099. The next prime is 43131004109. The reversal of 43131004102 is 20140013134.

It is a self number, because there is not a number n which added to its sum of digits gives 43131004102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131004109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504549 + ... + 583807.

It is an arithmetic number, because the mean of its divisors is an integer number (4063957425).

Almost surely, 243131004102 is an apocalyptic number.

43131004102 is a deficient number, since it is larger than the sum of its proper divisors (21892314698).

43131004102 is a wasteful number, since it uses less digits than its factorization.

43131004102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80631.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 43131004102 its reverse (20140013134), we get a palindrome (63271017236).

The spelling of 43131004102 in words is "forty-three billion, one hundred thirty-one million, four thousand, one hundred two".

Divisors: 1 2 241 482 1129 2258 79259 158518 272089 544178 19101419 38202838 89483411 178966822 21565502051 43131004102