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86811408211 = 117891946201
BaseRepresentation
bin101000011011001011…
…1001111011101010011
322022002000222110111011
41100312113033131103
52410242210030321
6103514113431351
76162160536403
oct1206627173523
9268060873434
1086811408211
11338a885a970
12149a8b6b557
138256349288
1442b7642803
1523d1483ae1
hex14365cf753

86811408211 has 4 divisors (see below), whose sum is σ = 94703354424. Its totient is φ = 78919462000.

The previous prime is 86811408181. The next prime is 86811408239. The reversal of 86811408211 is 11280411868.

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

It is a cyclic number.

It is not a de Polignac number, because 86811408211 - 29 = 86811407699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86811408011) 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, 3945973090 + ... + 3945973111.

It is an arithmetic number, because the mean of its divisors is an integer number (23675838606).

Almost surely, 286811408211 is an apocalyptic number.

86811408211 is a deficient number, since it is larger than the sum of its proper divisors (7891946213).

86811408211 is a wasteful number, since it uses less digits than its factorization.

86811408211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891946212.

The product of its (nonzero) digits is 24576, while the sum is 40.

The spelling of 86811408211 in words is "eighty-six billion, eight hundred eleven million, four hundred eight thousand, two hundred eleven".

Divisors: 1 11 7891946201 86811408211