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89433638495 = 51923191214297
BaseRepresentation
bin101001101001010101…
…0010000011001011111
322112211210011120012022
41103102222100121133
52431130002412440
6105030225130355
76314151245555
oct1232252203137
9275753146168
1089433638495
1134a23a59333
12153bb1899bb
1385836a3826
1444859cdbd5
1524d67a5cb5
hex14d2a9065f

89433638495 has 32 divisors (see below), whose sum is σ = 118498222080. Its totient is φ = 64494524160.

The previous prime is 89433638491. The next prime is 89433638509. The reversal of 89433638495 is 59483633498.

It is not a de Polignac number, because 89433638495 - 22 = 89433638491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89433638491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310187 + ... + 524483.

It is an arithmetic number, because the mean of its divisors is an integer number (3703069440).

Almost surely, 289433638495 is an apocalyptic number.

89433638495 is a deficient number, since it is larger than the sum of its proper divisors (29064583585).

89433638495 is a wasteful number, since it uses less digits than its factorization.

89433638495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214535.

The product of its digits is 67184640, while the sum is 62.

The spelling of 89433638495 in words is "eighty-nine billion, four hundred thirty-three million, six hundred thirty-eight thousand, four hundred ninety-five".

Divisors: 1 5 19 23 95 115 191 437 955 2185 3629 4393 18145 21965 83467 214297 417335 1071485 4071643 4928831 20358215 24644155 40930727 93647789 204653635 468238945 777683813 941406721 3888419065 4707033605 17886727699 89433638495