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86023156521 = 31011564318149
BaseRepresentation
bin101000000011101100…
…0010011001100101001
322020001002202010110010
41100013120103030221
52402133412002041
6103303554442133
76133506523461
oct1200730231451
9266032663403
1086023156521
1133533913795
1214808b93349
13815bc4a963
144240a94ba1
15238717ca16
hex1407613329

86023156521 has 16 divisors (see below), whose sum is σ = 115846948800. Its totient is φ = 56774203200.

The previous prime is 86023156519. The next prime is 86023156561. The reversal of 86023156521 is 12565132068.

It is not a de Polignac number, because 86023156521 - 21 = 86023156519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86023156521.

It is not an unprimeable number, because it can be changed into a prime (86023156511) 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, 4730755 + ... + 4748903.

It is an arithmetic number, because the mean of its divisors is an integer number (7240434300).

Almost surely, 286023156521 is an apocalyptic number.

It is an amenable number.

86023156521 is a deficient number, since it is larger than the sum of its proper divisors (29823792279).

86023156521 is a wasteful number, since it uses less digits than its factorization.

86023156521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33896.

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 86023156521 its reverse (12565132068), we get a palindrome (98588288589).

The spelling of 86023156521 in words is "eighty-six billion, twenty-three million, one hundred fifty-six thousand, five hundred twenty-one".

Divisors: 1 3 101 303 15643 18149 46929 54447 1579943 1833049 4739829 5499147 283904807 851714421 28674385507 86023156521