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86642302637 = 1161442129207
BaseRepresentation
bin101000010110001001…
…0001001111010101101
322021122020210000020202
41100230102021322231
52404420412141022
6103445233123245
76155035264262
oct1205422117255
9267566700222
1086642302637
11338213593a0
12149603b9525
13822a2bb0c7
14429cdc3269
1523c16cd592
hex142c489ead

86642302637 has 16 divisors (see below), whose sum is σ = 96093385344. Its totient is φ = 77454312000.

The previous prime is 86642302627. The next prime is 86642302639. The reversal of 86642302637 is 73620324668.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86642302637 - 26 = 86642302573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86642302591 and 86642302600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86642302639) 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 15 ways as a sum of consecutive naturals, for example, 2951888 + ... + 2981094.

It is an arithmetic number, because the mean of its divisors is an integer number (6005836584).

Almost surely, 286642302637 is an apocalyptic number.

It is an amenable number.

86642302637 is a deficient number, since it is larger than the sum of its proper divisors (9451082707).

86642302637 is a wasteful number, since it uses less digits than its factorization.

86642302637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33700.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 86642302637 in words is "eighty-six billion, six hundred forty-two million, three hundred two thousand, six hundred thirty-seven".

Divisors: 1 11 61 671 4421 29207 48631 269681 321277 1781627 2966491 19597897 129124147 1420365617 7876572967 86642302637