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7342705561 = 68310750667
BaseRepresentation
bin1101101011010100…
…01100101110011001
3200221201121002102211
412311222030232121
5110014213034221
63212335355121
7346646652562
oct66552145631
920851532384
107342705561
113128847404
12150b082aa1
13900306bb9
144d9289169
152ce9616e1
hex1b5a8cb99

7342705561 has 4 divisors (see below), whose sum is σ = 7353456912. Its totient is φ = 7331954212.

The previous prime is 7342705529. The next prime is 7342705571. The reversal of 7342705561 is 1655072437.

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.

It is a cyclic number.

It is not a de Polignac number, because 7342705561 - 25 = 7342705529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7342705571) 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, 5374651 + ... + 5376016.

It is an arithmetic number, because the mean of its divisors is an integer number (1838364228).

Almost surely, 27342705561 is an apocalyptic number.

It is an amenable number.

7342705561 is a deficient number, since it is larger than the sum of its proper divisors (10751351).

7342705561 is a wasteful number, since it uses less digits than its factorization.

7342705561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10751350.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 7342705561 is about 85689.5884048932. The cubic root of 7342705561 is about 1943.6528725349.

Adding to 7342705561 its reverse (1655072437), we get a palindrome (8997777998).

The spelling of 7342705561 in words is "seven billion, three hundred forty-two million, seven hundred five thousand, five hundred sixty-one".

Divisors: 1 683 10750667 7342705561