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5141661497 = 71938659109
BaseRepresentation
bin1001100100111011…
…11000011100111001
3111021022221110121022
410302131320130321
541012231131442
62210111352225
7241262254520
oct46235703471
914238843538
105141661497
1121a9374425
12bb5b22675
1363c2cb26b
1436ac194b7
152015da3d2
hex132778739

5141661497 has 8 divisors (see below), whose sum is σ = 6185457600. Its totient is φ = 4175183664.

The previous prime is 5141661353. The next prime is 5141661541. The reversal of 5141661497 is 7941661415.

It is a happy number.

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 5141661497 - 212 = 5141657401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5141661197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19329422 + ... + 19329687.

It is an arithmetic number, because the mean of its divisors is an integer number (773182200).

Almost surely, 25141661497 is an apocalyptic number.

It is an amenable number.

5141661497 is a deficient number, since it is larger than the sum of its proper divisors (1043796103).

5141661497 is a wasteful number, since it uses less digits than its factorization.

5141661497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38659135.

The product of its digits is 181440, while the sum is 44.

The square root of 5141661497 is about 71705.3798330362. The cubic root of 5141661497 is about 1725.9749718544.

The spelling of 5141661497 in words is "five billion, one hundred forty-one million, six hundred sixty-one thousand, four hundred ninety-seven".

Divisors: 1 7 19 133 38659109 270613763 734523071 5141661497