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72203430227 = 591444984697
BaseRepresentation
bin100001100111110101…
…0001110100101010011
320220100222111021220112
41003033222032211103
52140333034231402
653100402031535
75134161013325
oct1031752164523
9226328437815
1072203430227
1128691a54895
1211bb09485ab
136a68aaa416
1436cd507615
151d28ca8e52
hex10cfa8e953

72203430227 has 8 divisors (see below), whose sum is σ = 73433166000. Its totient is φ = 70973892864.

The previous prime is 72203430197. The next prime is 72203430281.

72203430227 is nontrivially palindromic in base 10.

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 72203430227 - 28 = 72203429971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72203430193 and 72203430202.

It is not an unprimeable number, because it can be changed into a prime (72203420227) 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 7 ways as a sum of consecutive naturals, for example, 810143 + ... + 894839.

It is an arithmetic number, because the mean of its divisors is an integer number (9179145750).

Almost surely, 272203430227 is an apocalyptic number.

72203430227 is a deficient number, since it is larger than the sum of its proper divisors (1229735773).

72203430227 is a wasteful number, since it uses less digits than its factorization.

72203430227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99205.

The product of its (nonzero) digits is 28224, while the sum is 32.

The spelling of 72203430227 in words is "seventy-two billion, two hundred three million, four hundred thirty thousand, two hundred twenty-seven".

Divisors: 1 59 14449 84697 852491 4997123 1223786953 72203430227