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72202122011 = 375531352813
BaseRepresentation
bin100001100111110010…
…1001111001100011011
320220100220000211101002
41003033211033030123
52140332220401021
653100314015215
75134143624305
oct1031745171433
9226326024332
1072202122011
1128691240a18
1211bb041750b
136a6873cb26
1436cd286975
151d28aeb50b
hex10cf94f31b

72202122011 has 8 divisors (see below), whose sum is σ = 74167147824. Its totient is φ = 70237812960.

The previous prime is 72202121963. The next prime is 72202122029. The reversal of 72202122011 is 11022120227.

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 72202122011 - 214 = 72202105627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72202142011) 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, 28241 + ... + 381053.

It is an arithmetic number, because the mean of its divisors is an integer number (9270893478).

Almost surely, 272202122011 is an apocalyptic number.

72202122011 is a deficient number, since it is larger than the sum of its proper divisors (1965025813).

72202122011 is a wasteful number, since it uses less digits than its factorization.

72202122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358381.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 72202122011 its reverse (11022120227), we get a palindrome (83224242238).

The spelling of 72202122011 in words is "seventy-two billion, two hundred two million, one hundred twenty-two thousand, eleven".

Divisors: 1 37 5531 204647 352813 13054081 1951408703 72202122011