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5744375661 = 31914791887
BaseRepresentation
bin1010101100110010…
…00011011101101101
3112211100001112000010
411112121003131231
543231030010121
62350001523433
7262231246623
oct52631033555
915740045003
105744375661
112488606502
121143943579
1370713736b
143c6cab513
15239492376
hex15664376d

5744375661 has 4 divisors (see below), whose sum is σ = 7659167552. Its totient is φ = 3829583772.

The previous prime is 5744375647. The next prime is 5744375687. The reversal of 5744375661 is 1665734475.

It is a happy number.

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 not a de Polignac number, because 5744375661 - 26 = 5744375597 is a prime.

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 5744375661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5744375761) 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, 957395941 + ... + 957395946.

It is an arithmetic number, because the mean of its divisors is an integer number (1914791888).

Almost surely, 25744375661 is an apocalyptic number.

It is an amenable number.

5744375661 is a deficient number, since it is larger than the sum of its proper divisors (1914791891).

5744375661 is a wasteful number, since it uses less digits than its factorization.

5744375661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914791890.

The product of its digits is 2116800, while the sum is 48.

The square root of 5744375661 is about 75791.6595741246. The cubic root of 5744375661 is about 1790.9396210131.

The spelling of 5744375661 in words is "five billion, seven hundred forty-four million, three hundred seventy-five thousand, six hundred sixty-one".

Divisors: 1 3 1914791887 5744375661