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4154084689 = 6168099749
BaseRepresentation
bin1111011110011010…
…0100110101010001
3101201111122100220111
43313212210311101
532001421202224
61524112241321
7204641065036
oct36746446521
911644570814
104154084689
111841966347
1297b240241
135128208a1
142b59c338d
15194a5ed94
hexf79a4d51

4154084689 has 4 divisors (see below), whose sum is σ = 4222184500. Its totient is φ = 4085984880.

The previous prime is 4154084663. The next prime is 4154084719. The reversal of 4154084689 is 9864804514.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9864804514 = 24932402257.

It can be written as a sum of positive squares in 2 ways, for example, as 2355646225 + 1798438464 = 48535^2 + 42408^2 .

It is a cyclic number.

It is not a de Polignac number, because 4154084689 - 215 = 4154051921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4154084629) 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, 34049814 + ... + 34049935.

It is an arithmetic number, because the mean of its divisors is an integer number (1055546125).

Almost surely, 24154084689 is an apocalyptic number.

It is an amenable number.

4154084689 is a deficient number, since it is larger than the sum of its proper divisors (68099811).

4154084689 is an equidigital number, since it uses as much as digits as its factorization.

4154084689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68099810.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 4154084689 is about 64452.1891715091. The cubic root of 4154084689 is about 1607.5276391611.

The spelling of 4154084689 in words is "four billion, one hundred fifty-four million, eighty-four thousand, six hundred eighty-nine".

Divisors: 1 61 68099749 4154084689