Base | Representation |
---|---|
bin | 100001111001110000… |
… | …1100010011110000010 |
3 | 20221220220200220210101 |
4 | 1003303201202132002 |
5 | 2143101103212122 |
6 | 53240214353014 |
7 | 5155115261350 |
oct | 1036341423602 |
9 | 227826626711 |
10 | 72805132162 |
11 | 28970665414 |
12 | 1213a35b76a |
13 | 6b33650879 |
14 | 37493b47d0 |
15 | 1d61a11027 |
hex | 10f3862782 |
72805132162 has 8 divisors (see below), whose sum is σ = 124808798016. Its totient is φ = 31202199492.
The previous prime is 72805132111. The next prime is 72805132163. The reversal of 72805132162 is 26123150827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (72805132163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600183278 + ... + 2600183305.
It is an arithmetic number, because the mean of its divisors is an integer number (15601099752).
Almost surely, 272805132162 is an apocalyptic number.
72805132162 is a deficient number, since it is larger than the sum of its proper divisors (52003665854).
72805132162 is a wasteful number, since it uses less digits than its factorization.
72805132162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5200366592.
The product of its (nonzero) digits is 40320, while the sum is 37.
Adding to 72805132162 its reverse (26123150827), we get a palindrome (98928282989).
The spelling of 72805132162 in words is "seventy-two billion, eight hundred five million, one hundred thirty-two thousand, one hundred sixty-two".
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