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3061438817 = 17411758437
BaseRepresentation
bin1011011001111001…
…1101100101100001
321220100122012112212
42312132131211201
522232212020232
61223441131505
7135602541413
oct26636354541
97810565485
103061438817
111331114328
12715329b95
1339a346378
1421083a9b3
1512db7ceb2
hexb679d961

3061438817 has 4 divisors (see below), whose sum is σ = 3063198996. Its totient is φ = 3059678640.

The previous prime is 3061438813. The next prime is 3061438837. The reversal of 3061438817 is 7188341603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7188341603 = 50923141161.

It can be written as a sum of positive squares in 2 ways, for example, as 286151056 + 2775287761 = 16916^2 + 52681^2 .

It is a cyclic number.

It is not a de Polignac number, because 3061438817 - 22 = 3061438813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3061438813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877478 + ... + 880959.

It is an arithmetic number, because the mean of its divisors is an integer number (765799749).

Almost surely, 23061438817 is an apocalyptic number.

It is an amenable number.

3061438817 is a deficient number, since it is larger than the sum of its proper divisors (1760179).

3061438817 is a wasteful number, since it uses less digits than its factorization.

3061438817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760178.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 3061438817 is about 55330.2703499630. The cubic root of 3061438817 is about 1452.0286810973.

The spelling of 3061438817 in words is "three billion, sixty-one million, four hundred thirty-eight thousand, eight hundred seventeen".

Divisors: 1 1741 1758437 3061438817