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8530132168321 = 751238892
BaseRepresentation
bin111110000100001001101…
…1111110110111010000001
31010012110202120120212022221
41330020103133312322001
52104224202313341241
630050404424131041
71540165425046051
oct174102337667201
933173676525287
108530132168321
112799677257785
12b59244006a81
1349b50760171a
14216c096b3561
15ebd4d0cd5d1
hex7c2137f6e81

8530132168321 has 9 divisors (see below), whose sum is σ = 8543702546883. Its totient is φ = 8516583324000.

The previous prime is 8530132168307. The next prime is 8530132168351. The reversal of 8530132168321 is 1238612310358.

The square root of 8530132168321 is 2920639.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6182985606721 + 2347146561600 = 2486561^2 + 1532040^2 .

It is not a de Polignac number, because 8530132168321 - 213 = 8530132160129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8530132168301) 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 8 ways as a sum of consecutive naturals, for example, 2193397945 + ... + 2193401833.

It is an arithmetic number, because the mean of its divisors is an integer number (949300282987).

Almost surely, 28530132168321 is an apocalyptic number.

8530132168321 is the 2920639-th square number.

8530132168321 is the 1460320-th centered octagonal number.

It is an amenable number.

8530132168321 is a deficient number, since it is larger than the sum of its proper divisors (13570378562).

8530132168321 is an frugal number, since it uses more digits than its factorization.

8530132168321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

Adding to 8530132168321 its reverse (1238612310358), we get a palindrome (9768744478679).

The spelling of 8530132168321 in words is "eight trillion, five hundred thirty billion, one hundred thirty-two million, one hundred sixty-eight thousand, three hundred twenty-one".

Divisors: 1 751 3889 564001 2920639 15124321 2193399889 11358365071 8530132168321