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83528514169 = 31293232
BaseRepresentation
bin100110111001010101…
…1111111101001111001
321222121020122011110221
41031302223333221321
52332031244423134
6102212241540041
76014625440632
oct1156253775171
9258536564427
1083528514169
1132473739aa1
1214231644621
137b52176019
14408563a889
15228d15e5b4
hex1372affa79

83528514169 has 9 divisors (see below), whose sum is σ = 86319159429. Its totient is φ = 80825375580.

The previous prime is 83528514137. The next prime is 83528514217. The reversal of 83528514169 is 96141582538.

It is a happy number.

The square root of 83528514169 is 289013.

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

It is not a de Polignac number, because 83528514169 - 25 = 83528514137 is a prime.

It is a super-2 number, since 2×835285141692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83528514269) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8954742 + ... + 8964064.

Almost surely, 283528514169 is an apocalyptic number.

83528514169 is the 289013-rd square number.

83528514169 is the 144507-th centered octagonal number.

It is an amenable number.

83528514169 is a deficient number, since it is larger than the sum of its proper divisors (2790645260).

83528514169 is an frugal number, since it uses more digits than its factorization.

83528514169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18708 (or 9354 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The spelling of 83528514169 in words is "eighty-three billion, five hundred twenty-eight million, five hundred fourteen thousand, one hundred sixty-nine".

Divisors: 1 31 961 9323 289013 8959403 86918329 2694468199 83528514169