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7420073743 = 19390530197
BaseRepresentation
bin1101110100100010…
…10101011100001111
3201011010011210122001
412322101111130033
5110144014324433
63224141533131
7351606405025
oct67221253417
921133153561
107420073743
113168490255
121530b741a7
139133553a4
14505668715
152d664557d
hex1ba45570f

7420073743 has 4 divisors (see below), whose sum is σ = 7810603960. Its totient is φ = 7029543528.

The previous prime is 7420073741. The next prime is 7420073747. The reversal of 7420073743 is 3473700247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3473700247 = 5638361609.

It is a cyclic number.

It is not a de Polignac number, because 7420073743 - 21 = 7420073741 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 (7420073741) 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, 195265080 + ... + 195265117.

It is an arithmetic number, because the mean of its divisors is an integer number (1952650990).

Almost surely, 27420073743 is an apocalyptic number.

7420073743 is a deficient number, since it is larger than the sum of its proper divisors (390530217).

7420073743 is a wasteful number, since it uses less digits than its factorization.

7420073743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390530216.

The product of its (nonzero) digits is 98784, while the sum is 37.

The square root of 7420073743 is about 86139.8499128017. The cubic root of 7420073743 is about 1950.4556237989.

The spelling of 7420073743 in words is "seven billion, four hundred twenty million, seventy-three thousand, seven hundred forty-three".

Divisors: 1 19 390530197 7420073743