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86418180247 = 7101122232221
BaseRepresentation
bin101000001111011101…
…1001100100010010111
322021001122001102010111
41100132323030202113
52403441023231442
6103411105303451
76146344261240
oct1203673144227
9267048042114
1086418180247
113371689a983
12148b9334b87
1381c2a391c9
14427b321cc7
1523abbabb17
hex141eecc897

86418180247 has 8 divisors (see below), whose sum is σ = 99741493152. Its totient is φ = 73339332000.

The previous prime is 86418180229. The next prime is 86418180281. The reversal of 86418180247 is 74208181468.

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

It is a de Polignac number, because none of the positive numbers 2k-86418180247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86418180247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86418181247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61115404 + ... + 61116817.

It is an arithmetic number, because the mean of its divisors is an integer number (12467686644).

Almost surely, 286418180247 is an apocalyptic number.

86418180247 is a deficient number, since it is larger than the sum of its proper divisors (13323312905).

86418180247 is a wasteful number, since it uses less digits than its factorization.

86418180247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122232329.

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 86418180247 in words is "eighty-six billion, four hundred eighteen million, one hundred eighty thousand, two hundred forty-seven".

Divisors: 1 7 101 707 122232221 855625547 12345454321 86418180247