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3844748213 = 13129349223
BaseRepresentation
bin1110010100101010…
…0011001110110101
3100220221120110000222
43211022203032311
530333223420323
61433302144125
7164163551315
oct34512431665
910827513028
103844748213
1116a3295269
128b3722045
13493704257
1428689d445
151778099c8
hexe52a33b5

3844748213 has 4 divisors (see below), whose sum is σ = 3874097568. Its totient is φ = 3815398860.

The previous prime is 3844748209. The next prime is 3844748239. The reversal of 3844748213 is 3128474483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3128474483 = 6746693649.

It is a cyclic number.

It is not a de Polignac number, because 3844748213 - 22 = 3844748209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3844748263) 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 3 ways as a sum of consecutive naturals, for example, 14674481 + ... + 14674742.

It is an arithmetic number, because the mean of its divisors is an integer number (968524392).

Almost surely, 23844748213 is an apocalyptic number.

It is an amenable number.

3844748213 is a deficient number, since it is larger than the sum of its proper divisors (29349355).

3844748213 is a wasteful number, since it uses less digits than its factorization.

3844748213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29349354.

The product of its digits is 516096, while the sum is 44.

The square root of 3844748213 is about 62006.0336822152. The cubic root of 3844748213 is about 1566.5922290019.

The spelling of 3844748213 in words is "three billion, eight hundred forty-four million, seven hundred forty-eight thousand, two hundred thirteen".

Divisors: 1 131 29349223 3844748213