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86252585653 = 1317390283193
BaseRepresentation
bin101000001010100001…
…1100000001010110101
322020122002110100001101
41100111003200022311
52403121130220103
6103342432130101
76142263611203
oct1202503401265
9266562410041
1086252585653
1133641377243
1214871996931
13819763a140
144263338073
15239c39ba1d
hex14150e02b5

86252585653 has 8 divisors (see below), whose sum is σ = 98351364888. Its totient is φ = 74934372864.

The previous prime is 86252585651. The next prime is 86252585669. The reversal of 86252585653 is 35658525268.

It can be written as a sum of positive squares in 4 ways, for example, as 5743063089 + 80509522564 = 75783^2 + 283742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86252585653 - 21 = 86252585651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86252585594 and 86252585603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86252585651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195141376 + ... + 195141817.

It is an arithmetic number, because the mean of its divisors is an integer number (12293920611).

Almost surely, 286252585653 is an apocalyptic number.

It is an amenable number.

86252585653 is a deficient number, since it is larger than the sum of its proper divisors (12098779235).

86252585653 is a wasteful number, since it uses less digits than its factorization.

86252585653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390283223.

The product of its digits is 17280000, while the sum is 55.

The spelling of 86252585653 in words is "eighty-six billion, two hundred fifty-two million, five hundred eighty-five thousand, six hundred fifty-three".

Divisors: 1 13 17 221 390283193 5073681509 6634814281 86252585653