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86789427813 = 32111180174287
BaseRepresentation
bin101000011010100001…
…1011001001001100101
322022000111121202001100
41100311003121021211
52410221043142223
6103512010350313
76161502651534
oct1206503311145
9268014552040
1086789427813
1133897407750
12149a172b399
13825192161a
1442b476031b
1523ce591043
hex14350d9265

86789427813 has 24 divisors (see below), whose sum is σ = 136772528256. Its totient is φ = 52594488000.

The previous prime is 86789427779. The next prime is 86789427859. The reversal of 86789427813 is 31872498768.

It is not a de Polignac number, because 86789427813 - 26 = 86789427749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86789427883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131156 + ... + 1205442.

It is an arithmetic number, because the mean of its divisors is an integer number (5698855344).

Almost surely, 286789427813 is an apocalyptic number.

It is an amenable number.

86789427813 is a deficient number, since it is larger than the sum of its proper divisors (49983100443).

86789427813 is a wasteful number, since it uses less digits than its factorization.

86789427813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86105 (or 86102 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 86789427813 in words is "eighty-six billion, seven hundred eighty-nine million, four hundred twenty-seven thousand, eight hundred thirteen".

Divisors: 1 3 9 11 33 99 11801 35403 74287 106209 129811 222861 389433 668583 817157 1168299 2451471 7354413 876660887 2629982661 7889947983 9643269757 28929809271 86789427813