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86711482491 = 328903827497
BaseRepresentation
bin101000011000001101…
…0000011100001111011
322021211001221201011120
41100300122003201323
52410041114414431
6103500144000323
76156535303644
oct1206032034173
9267731851146
1086711482491
113385740a227
121497b6000a3
13823b73052a
1442a82706cb
1523c77e6196
hex143068387b

86711482491 has 4 divisors (see below), whose sum is σ = 115615309992. Its totient is φ = 57807654992.

The previous prime is 86711482489. The next prime is 86711482499. The reversal of 86711482491 is 19428411768.

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 86711482491 - 21 = 86711482489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86711482499) 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, 14451913746 + ... + 14451913751.

It is an arithmetic number, because the mean of its divisors is an integer number (28903827498).

Almost surely, 286711482491 is an apocalyptic number.

86711482491 is a deficient number, since it is larger than the sum of its proper divisors (28903827501).

86711482491 is a wasteful number, since it uses less digits than its factorization.

86711482491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28903827500.

The product of its digits is 774144, while the sum is 51.

The spelling of 86711482491 in words is "eighty-six billion, seven hundred eleven million, four hundred eighty-two thousand, four hundred ninety-one".

Divisors: 1 3 28903827497 86711482491