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7342705641 = 32447568547
BaseRepresentation
bin1101101011010100…
…01100101111101001
3200221201121002112210
412311222030233221
5110014213040031
63212335355333
7346646653035
oct66552145751
920851532483
107342705641
113128847477
12150b082b49
13900306c4b
144d92891c5
152ce961746
hex1b5a8cbe9

7342705641 has 4 divisors (see below), whose sum is σ = 9790274192. Its totient is φ = 4895137092.

The previous prime is 7342705631. The next prime is 7342705661. The reversal of 7342705641 is 1465072437.

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: 1465072437 = 3488357479.

It is not a de Polignac number, because 7342705641 - 25 = 7342705609 is a prime.

It is a super-2 number, since 2×73427056412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7342705641.

It is not an unprimeable number, because it can be changed into a prime (7342705631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223784271 + ... + 1223784276.

It is an arithmetic number, because the mean of its divisors is an integer number (2447568548).

Almost surely, 27342705641 is an apocalyptic number.

It is an amenable number.

7342705641 is a deficient number, since it is larger than the sum of its proper divisors (2447568551).

7342705641 is a wasteful number, since it uses less digits than its factorization.

7342705641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447568550.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 7342705641 is about 85689.5888716943. The cubic root of 7342705641 is about 1943.6528795937.

The spelling of 7342705641 in words is "seven billion, three hundred forty-two million, seven hundred five thousand, six hundred forty-one".

Divisors: 1 3 2447568547 7342705641