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73033331161 = 747221985809
BaseRepresentation
bin100010000000100100…
…0000011000111011001
320222111211002121222011
41010001020003013121
52144033013044121
653315005425521
75163556033510
oct1040110030731
9228454077864
1073033331161
1128a7845872a
12121a286b2a1
136b6b9cc16b
14376b817677
151d76a8a7e1
hex11012031d9

73033331161 has 8 divisors (see below), whose sum is σ = 85242551040. Its totient is φ = 61268083008.

The previous prime is 73033331131. The next prime is 73033331171. The reversal of 73033331161 is 16113333037.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73033331161 - 29 = 73033330649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73033331131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110992576 + ... + 110993233.

It is an arithmetic number, because the mean of its divisors is an integer number (10655318880).

Almost surely, 273033331161 is an apocalyptic number.

It is an amenable number.

73033331161 is a deficient number, since it is larger than the sum of its proper divisors (12209219879).

73033331161 is a wasteful number, since it uses less digits than its factorization.

73033331161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221985863.

The product of its (nonzero) digits is 10206, while the sum is 31.

Adding to 73033331161 its reverse (16113333037), we get a palindrome (89146664198).

The spelling of 73033331161 in words is "seventy-three billion, thirty-three million, three hundred thirty-one thousand, one hundred sixty-one".

Divisors: 1 7 47 329 221985809 1553900663 10433333023 73033331161