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3988144497 = 34132423939
BaseRepresentation
bin1110110110110110…
…0100000101110001
3101021221101201202110
43231231210011301
531131431110442
61455423435533
7200554445301
oct35555440561
911257351673
103988144497
111767226a97
12933755ba9
134b733041c
1429b949601
151851d269c
hexedb64171

3988144497 has 8 divisors (see below), whose sum is σ = 5447221920. Its totient is φ = 2593915040.

The previous prime is 3988144487. The next prime is 3988144499. The reversal of 3988144497 is 7944418893.

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 3988144497 - 210 = 3988143473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3988144499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16211847 + ... + 16212092.

It is an arithmetic number, because the mean of its divisors is an integer number (680902740).

Almost surely, 23988144497 is an apocalyptic number.

It is an amenable number.

3988144497 is a deficient number, since it is larger than the sum of its proper divisors (1459077423).

3988144497 is a wasteful number, since it uses less digits than its factorization.

3988144497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32423983.

The product of its digits is 6967296, while the sum is 57.

The square root of 3988144497 is about 63151.7576715011. The cubic root of 3988144497 is about 1585.8312135153.

The spelling of 3988144497 in words is "three billion, nine hundred eighty-eight million, one hundred forty-four thousand, four hundred ninety-seven".

Divisors: 1 3 41 123 32423939 97271817 1329381499 3988144497