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5481578029 is a prime number
BaseRepresentation
bin1010001101011101…
…00011111000101101
3112011000120000102111
411012232203320231
542211240444104
62303533124021
7252560434024
oct50656437055
915130500374
105481578029
112363231784
12108b929611
136948638c5
143a001d8bb
15221381404
hex146ba3e2d

5481578029 has 2 divisors, whose sum is σ = 5481578030. Its totient is φ = 5481578028.

The previous prime is 5481578027. The next prime is 5481578093. The reversal of 5481578029 is 9208751845.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5469342025 + 12236004 = 73955^2 + 3498^2 .

It is a cyclic number.

It is not a de Polignac number, because 5481578029 - 21 = 5481578027 is a prime.

Together with 5481578027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5481578027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740789014 + 2740789015.

It is an arithmetic number, because the mean of its divisors is an integer number (2740789015).

Almost surely, 25481578029 is an apocalyptic number.

It is an amenable number.

5481578029 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481578029 is an equidigital number, since it uses as much as digits as its factorization.

5481578029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 49.

The square root of 5481578029 is about 74037.6797921167. The cubic root of 5481578029 is about 1763.2011760983.

The spelling of 5481578029 in words is "five billion, four hundred eighty-one million, five hundred seventy-eight thousand, twenty-nine".