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86739836938 = 2131779329111
BaseRepresentation
bin101000011001000011…
…0001110000000001010
322021220001022021011021
41100302012032000022
52410120344240223
6103503035423054
76160331306656
oct1206206160012
9267801267137
1086739836938
1133871416357
1214988bb4a8a
13824457a501
1442abd31a66
1523ca04765d
hex143218e00a

86739836938 has 8 divisors (see below), whose sum is σ = 130111138080. Its totient is φ = 43369457580.

The previous prime is 86739836921. The next prime is 86739836947. The reversal of 86739836938 is 83963893768.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99003 + ... + 428113.

It is an arithmetic number, because the mean of its divisors is an integer number (16263892260).

Almost surely, 286739836938 is an apocalyptic number.

86739836938 is a deficient number, since it is larger than the sum of its proper divisors (43371301142).

86739836938 is a wasteful number, since it uses less digits than its factorization.

86739836938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460892.

The product of its digits is 282175488, while the sum is 70.

The spelling of 86739836938 in words is "eighty-six billion, seven hundred thirty-nine million, eight hundred thirty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 131779 263558 329111 658222 43369918469 86739836938