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86927061981061 = 197875813352637
BaseRepresentation
bin10011110000111101001000…
…101001101001011110000101
3102101210010221102001201211101
4103300331020221221132011
542343203110331343221
6504513424015140101
724211162426343161
oct2360751051513605
9371703842051741
1086927061981061
1125774618339295
1298bb069214631
133967257450553
141767413d03ca1
15a0b28bb27d91
hex4f0f48a69785

86927061981061 has 8 divisors (see below), whose sum is σ = 91618437574880. Its totient is φ = 82247313094128.

The previous prime is 86927061980981. The next prime is 86927061981101. The reversal of 86927061981061 is 16018916072968.

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

It is a cyclic number.

It is not a de Polignac number, because 86927061981061 - 27 = 86927061980933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86927061980984 and 86927061981002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86927061901061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906661366 + ... + 2906691271.

It is an arithmetic number, because the mean of its divisors is an integer number (11452304696860).

Almost surely, 286927061981061 is an apocalyptic number.

It is an amenable number.

86927061981061 is a deficient number, since it is larger than the sum of its proper divisors (4691375593819).

86927061981061 is a wasteful number, since it uses less digits than its factorization.

86927061981061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813353443.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 86927061981061 in words is "eighty-six trillion, nine hundred twenty-seven billion, sixty-one million, nine hundred eighty-one thousand, sixty-one".

Divisors: 1 19 787 14953 5813352637 110453700103 4575108525319 86927061981061