Search a number
-
+
86686471697 = 798129126199
BaseRepresentation
bin101000010111011101…
…0101001011000010001
322021202022220000210212
41100232322221120101
52410013214043242
6103453451533505
76156112565120
oct1205672513021
9267668800725
1086686471697
1133844287251
121497315a295
1382364b4447
1442a4bddab7
1523c5505782
hex142eea9611

86686471697 has 8 divisors (see below), whose sum is σ = 99072048000. Its totient is φ = 74301344064.

The previous prime is 86686471693. The next prime is 86686471699. The reversal of 86686471697 is 79617468668.

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

It is a cyclic number.

It is not a de Polignac number, because 86686471697 - 22 = 86686471693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86686471693) 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, 623804 + ... + 750002.

It is an arithmetic number, because the mean of its divisors is an integer number (12384006000).

Almost surely, 286686471697 is an apocalyptic number.

It is an amenable number.

86686471697 is a deficient number, since it is larger than the sum of its proper divisors (12385576303).

86686471697 is a wasteful number, since it uses less digits than its factorization.

86686471697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224335.

The product of its digits is 146313216, while the sum is 68.

The spelling of 86686471697 in words is "eighty-six billion, six hundred eighty-six million, four hundred seventy-one thousand, six hundred ninety-seven".

Divisors: 1 7 98129 126199 686903 883393 12383781671 86686471697