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71572000469 is a prime number
BaseRepresentation
bin100001010101000000…
…1100000111011010101
320211201222100100010012
41002222001200323111
52133034413003334
652514004210005
75112422652254
oct1025201407325
9224658310105
1071572000469
112839858a312
1211a55399905
136998028b48
14366d6dc79b
151cdd62d9ce
hex10aa060ed5

71572000469 has 2 divisors, whose sum is σ = 71572000470. Its totient is φ = 71572000468.

The previous prime is 71572000453. The next prime is 71572000481. The reversal of 71572000469 is 96400027517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53864375569 + 17707624900 = 232087^2 + 133070^2 .

It is a cyclic number.

It is not a de Polignac number, because 71572000469 - 24 = 71572000453 is a prime.

It is a super-2 number, since 2×715720004692 (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 (71572006469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35786000234 + 35786000235.

It is an arithmetic number, because the mean of its divisors is an integer number (35786000235).

Almost surely, 271572000469 is an apocalyptic number.

It is an amenable number.

71572000469 is a deficient number, since it is larger than the sum of its proper divisors (1).

71572000469 is an equidigital number, since it uses as much as digits as its factorization.

71572000469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 71572000469 in words is "seventy-one billion, five hundred seventy-two million, four hundred sixty-nine", and thus it is an aban number.