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86148684169 = 17471018631237
BaseRepresentation
bin101000000111011011…
…1001001100110001001
322020100211221121000021
41100032313021212021
52402413030343134
6103324241140441
76136562506342
oct1201667114611
9266324847007
1086148684169
1133598760549
121484302a721
13817bc5b882
14425360d0c9
1523931c60b4
hex140edc9989

86148684169 has 32 divisors (see below), whose sum is σ = 94264528896. Its totient is φ = 78415795200.

The previous prime is 86148684143. The next prime is 86148684173. The reversal of 86148684169 is 96148684168.

It is a cyclic number.

It is not a de Polignac number, because 86148684169 - 29 = 86148683657 is a prime.

It is a super-2 number, since 2×861486841692 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86148684199) 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 31 ways as a sum of consecutive naturals, for example, 69642619 + ... + 69643855.

It is an arithmetic number, because the mean of its divisors is an integer number (2945766528).

Almost surely, 286148684169 is an apocalyptic number.

It is an amenable number.

86148684169 is a deficient number, since it is larger than the sum of its proper divisors (8115844727).

86148684169 is a wasteful number, since it uses less digits than its factorization.

86148684169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its digits is 15925248, while the sum is 61.

Subtracting 86148684169 from its reverse (96148684168), we obtain a palindrome (9999999999).

The spelling of 86148684169 in words is "eighty-six billion, one hundred forty-eight million, six hundred eighty-four thousand, one hundred sixty-nine".

Divisors: 1 17 47 101 799 863 1237 1717 4747 14671 21029 40561 58139 80699 87163 124937 689537 988363 1067531 1481771 2123929 4096661 5872039 18148027 50173957 69643237 99824663 107820631 852957269 1832950727 5067569657 86148684169