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86664743141 = 347249754303
BaseRepresentation
bin101000010110110011…
…1110000100011100101
322021200211000002211112
41100231213300203211
52404442133240031
6103451354114405
76155430106424
oct1205547604345
9267624002745
1086664743141
1133832a96269
1214967a1ba05
138231b47302
1442a1d852bb
1523c366262b
hex142d9f08e5

86664743141 has 4 divisors (see below), whose sum is σ = 86914497792. Its totient is φ = 86414988492.

The previous prime is 86664743101. The next prime is 86664743147. The reversal of 86664743141 is 14134746668.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86664743141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86664743141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86664743147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124876805 + ... + 124877498.

It is an arithmetic number, because the mean of its divisors is an integer number (21728624448).

Almost surely, 286664743141 is an apocalyptic number.

It is an amenable number.

86664743141 is a deficient number, since it is larger than the sum of its proper divisors (249754651).

86664743141 is a wasteful number, since it uses less digits than its factorization.

86664743141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249754650.

The product of its digits is 2322432, while the sum is 50.

The spelling of 86664743141 in words is "eighty-six billion, six hundred sixty-four million, seven hundred forty-three thousand, one hundred forty-one".

Divisors: 1 347 249754303 86664743141