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5454172069 is a prime number
BaseRepresentation
bin1010001010001100…
…00000111110100101
3112002002222122111221
411011012000332211
542132232001234
62301113500341
7252105461203
oct50506007645
915062878457
105454172069
112349813225
1210827116b1
1368bc89568
1439a528073
1521dc6aeb4
hex145180fa5

5454172069 has 2 divisors, whose sum is σ = 5454172070. Its totient is φ = 5454172068.

The previous prime is 5454172063. The next prime is 5454172093. The reversal of 5454172069 is 9602714545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5442012900 + 12159169 = 73770^2 + 3487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5454172069 is a prime.

It is a super-2 number, since 2×54541720692 = 59495985916519481522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5454172063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727086034 + 2727086035.

It is an arithmetic number, because the mean of its divisors is an integer number (2727086035).

Almost surely, 25454172069 is an apocalyptic number.

It is an amenable number.

5454172069 is a deficient number, since it is larger than the sum of its proper divisors (1).

5454172069 is an equidigital number, since it uses as much as digits as its factorization.

5454172069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 5454172069 is about 73852.3667122456. The cubic root of 5454172069 is about 1760.2578036824.

The spelling of 5454172069 in words is "five billion, four hundred fifty-four million, one hundred seventy-two thousand, sixty-nine".