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72275424223 is a prime number
BaseRepresentation
bin100001101001111110…
…0110111001111011111
320220112222221222002211
41003103330313033133
52141010002033343
653111453101251
75136023653342
oct1032374671737
9226488858084
1072275424223
1128719657a62
1212010a87827
136a7a996712
1436d8cc8459
151d3027a79d
hex10d3f373df

72275424223 has 2 divisors, whose sum is σ = 72275424224. Its totient is φ = 72275424222.

The previous prime is 72275424211. The next prime is 72275424229. The reversal of 72275424223 is 32242457227.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72275424223 is a prime.

It is a super-2 number, since 2×722754242232 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72275424229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36137712111 + 36137712112.

It is an arithmetic number, because the mean of its divisors is an integer number (36137712112).

Almost surely, 272275424223 is an apocalyptic number.

72275424223 is a deficient number, since it is larger than the sum of its proper divisors (1).

72275424223 is an equidigital number, since it uses as much as digits as its factorization.

72275424223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 40.

The spelling of 72275424223 in words is "seventy-two billion, two hundred seventy-five million, four hundred twenty-four thousand, two hundred twenty-three".