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95566921321 = 97231872
BaseRepresentation
bin101100100000000111…
…0110111111001101001
3100010200020000121112111
41121000032313321221
53031210112440241
6111523002442321
76622144266604
oct1310016677151
9303606017474
1095566921321
1137591043513
12166312033a1
139020267371
1448a83b533b
152744e69c81
hex16403b7e69

95566921321 has 9 divisors (see below), whose sum is σ = 96592612599. Its totient is φ = 94552017984.

The previous prime is 95566921313. The next prime is 95566921343. The reversal of 95566921321 is 12312966559.

The square root of 95566921321 is 309139.

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., 42913194025 + 52653727296 = 207155^2 + 229464^2 .

It is not a de Polignac number, because 95566921321 - 23 = 95566921313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95566721321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29984890 + ... + 29988076.

It is an arithmetic number, because the mean of its divisors is an integer number (10732512511).

Almost surely, 295566921321 is an apocalyptic number.

95566921321 is the 309139-th square number.

95566921321 is the 154570-th centered octagonal number.

It is an amenable number.

95566921321 is a deficient number, since it is larger than the sum of its proper divisors (1025691278).

95566921321 is an frugal number, since it uses more digits than its factorization.

95566921321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 3284 counting only the distinct ones).

The product of its digits is 874800, while the sum is 49.

Multiplying 95566921321 by its sum of digits (49), we get a square (4682779144729 = 21639732).

The spelling of 95566921321 in words is "ninety-five billion, five hundred sixty-six million, nine hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 97 3187 9409 309139 10156969 29986483 985225993 95566921321