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3784113971 = 116712740429
BaseRepresentation
bin1110000110001100…
…1111111100110011
3100202201110220111022
43201203033330303
530222213121341
61423254410055
7162526303151
oct34143177463
910681426438
103784113971
111672040920
1289736092b
13483c946c1
1427c7d83d1
1517232de4b
hexe18cff33

3784113971 has 16 divisors (see below), whose sum is σ = 4222832640. Its totient is φ = 3361992480.

The previous prime is 3784113953. The next prime is 3784113979. The reversal of 3784113971 is 1793114873.

It is a happy number.

3784113971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-3784113971 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3784113979) 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 15 ways as a sum of consecutive naturals, for example, 73385 + ... + 113813.

It is an arithmetic number, because the mean of its divisors is an integer number (263927040).

Almost surely, 23784113971 is an apocalyptic number.

3784113971 is a deficient number, since it is larger than the sum of its proper divisors (438718669).

3784113971 is a wasteful number, since it uses less digits than its factorization.

3784113971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40634.

The product of its digits is 127008, while the sum is 44.

The square root of 3784113971 is about 61515.1523691521. The cubic root of 3784113971 is about 1558.3131518550.

The spelling of 3784113971 in words is "three billion, seven hundred eighty-four million, one hundred thirteen thousand, nine hundred seventy-one".

Divisors: 1 11 67 127 737 1397 8509 40429 93599 444719 2708743 5134483 29796173 56479313 344010361 3784113971