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86064604481 = 175062623793
BaseRepresentation
bin101000000100111011…
…0011010010101000001
322020010222201220100202
41100021312122111001
52402230014320411
6103312035054545
76134522032142
oct1201166322501
9266128656322
1086064604481
11335552531a9
121481aa41455
13816770058b
1442463a3ac9
15238ab1883b
hex1409d9a541

86064604481 has 4 divisors (see below), whose sum is σ = 91127228292. Its totient is φ = 81001980672.

The previous prime is 86064604397. The next prime is 86064604487. The reversal of 86064604481 is 18440646068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26231041600 + 59833562881 = 161960^2 + 244609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86064604481 is a prime.

It is a super-2 number, since 2×860646044812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86064604487) 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, 2531311880 + ... + 2531311913.

It is an arithmetic number, because the mean of its divisors is an integer number (22781807073).

Almost surely, 286064604481 is an apocalyptic number.

It is an amenable number.

86064604481 is a deficient number, since it is larger than the sum of its proper divisors (5062623811).

86064604481 is a wasteful number, since it uses less digits than its factorization.

86064604481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062623810.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 86064604481 in words is "eighty-six billion, sixty-four million, six hundred four thousand, four hundred eighty-one".

Divisors: 1 17 5062623793 86064604481