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86023630181 = 760711308483
BaseRepresentation
bin101000000011101101…
…0000110110101100101
322020001010122012012002
41100013122012311211
52402134022131211
6103304012535045
76133513535426
oct1200732066545
9266033565162
1086023630181
1133534107645
1214809181485
13815c085428
144240b7964d
15238722303b
hex1407686d65

86023630181 has 4 divisors (see below), whose sum is σ = 86034946272. Its totient is φ = 86012314092.

The previous prime is 86023630171. The next prime is 86023630183. The reversal of 86023630181 is 18103632068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86023630181 is a prime.

It is a super-2 number, since 2×860236301812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86023630183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646635 + ... + 5661848.

It is an arithmetic number, because the mean of its divisors is an integer number (21508736568).

Almost surely, 286023630181 is an apocalyptic number.

It is an amenable number.

86023630181 is a deficient number, since it is larger than the sum of its proper divisors (11316091).

86023630181 is a wasteful number, since it uses less digits than its factorization.

86023630181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316090.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 86023630181 in words is "eighty-six billion, twenty-three million, six hundred thirty thousand, one hundred eighty-one".

Divisors: 1 7607 11308483 86023630181