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3128004201 = 37148952581
BaseRepresentation
bin1011101001110001…
…1000111001101001
322001222220002002110
42322130120321221
522401232113301
61234215552533
7140341411530
oct27234307151
98058802073
103128004201
111365749943
1273368b749
133ab08177a
14219607317
1513492b0d6
hexba718e69

3128004201 has 8 divisors (see below), whose sum is σ = 4766482624. Its totient is φ = 1787430960.

The previous prime is 3128004197. The next prime is 3128004223. The reversal of 3128004201 is 1024008213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3128004201 - 22 = 3128004197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 148952581 = 3128004201 / (3 + 1 + 2 + 8 + 0 + 0 + 4 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3128004251) 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, 74476270 + ... + 74476311.

It is an arithmetic number, because the mean of its divisors is an integer number (595810328).

Almost surely, 23128004201 is an apocalyptic number.

It is an amenable number.

3128004201 is a deficient number, since it is larger than the sum of its proper divisors (1638478423).

3128004201 is a wasteful number, since it uses less digits than its factorization.

3128004201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148952591.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 3128004201 is about 55928.5633732890. The cubic root of 3128004201 is about 1462.4772170313.

The spelling of 3128004201 in words is "three billion, one hundred twenty-eight million, four thousand, two hundred one".

Divisors: 1 3 7 21 148952581 446857743 1042668067 3128004201