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3443056981 = 7313772159
BaseRepresentation
bin1100110100111000…
…1110000101010101
322212221201102020221
43031032032011111
524022410310411
61325352354341
7151215334000
oct31516160525
98787642227
103443056981
111507574741
128010a59b1
1342b41cc30
142493b8537
15152410071
hexcd38e155

3443056981 has 16 divisors (see below), whose sum is σ = 4324096000. Its totient is φ = 2724173424.

The previous prime is 3443056963. The next prime is 3443057017. The reversal of 3443056981 is 1896503443.

3443056981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3443056981 - 25 = 3443056949 is a prime.

It is a super-2 number, since 2×34430569812 = 23709282748825668722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443056931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381621 + ... + 390538.

It is an arithmetic number, because the mean of its divisors is an integer number (270256000).

Almost surely, 23443056981 is an apocalyptic number.

It is an amenable number.

3443056981 is a deficient number, since it is larger than the sum of its proper divisors (881039019).

3443056981 is an equidigital number, since it uses as much as digits as its factorization.

3443056981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772193 (or 772179 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 3443056981 is about 58677.5679540316. The cubic root of 3443056981 is about 1510.0154934597.

The spelling of 3443056981 in words is "three billion, four hundred forty-three million, fifty-six thousand, nine hundred eighty-one".

Divisors: 1 7 13 49 91 343 637 4459 772159 5405113 10038067 37835791 70266469 264850537 491865283 3443056981