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3784112641 = 18077209333
BaseRepresentation
bin1110000110001100…
…1111101000000001
3100202201110211200001
43201203033220001
530222213101031
61423254400001
7162526266241
oct34143175001
910681424601
103784112641
11167203a921
12897360001
13483c93c0a
1427c7d7b21
1517232d861
hexe18cfa01

3784112641 has 4 divisors (see below), whose sum is σ = 3784340052. Its totient is φ = 3783885232.

The previous prime is 3784112627. The next prime is 3784112653. The reversal of 3784112641 is 1462114873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3720512016 + 63600625 = 60996^2 + 7975^2 .

It is a cyclic number.

It is not a de Polignac number, because 3784112641 - 25 = 3784112609 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 3784112641.

It is not an unprimeable number, because it can be changed into a prime (3784112041) 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, 86590 + ... + 122743.

It is an arithmetic number, because the mean of its divisors is an integer number (946085013).

Almost surely, 23784112641 is an apocalyptic number.

It is an amenable number.

3784112641 is a deficient number, since it is larger than the sum of its proper divisors (227411).

3784112641 is a wasteful number, since it uses less digits than its factorization.

3784112641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227410.

The product of its digits is 32256, while the sum is 37.

The square root of 3784112641 is about 61515.1415588065. The cubic root of 3784112641 is about 1558.3129692885.

The spelling of 3784112641 in words is "three billion, seven hundred eighty-four million, one hundred twelve thousand, six hundred forty-one".

Divisors: 1 18077 209333 3784112641