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4018429717 = 6165875897
BaseRepresentation
bin1110111110000100…
…0101111100010101
3101101001101101021021
43233201011330111
531212204222332
61502424521141
7201403042351
oct35741057425
911331341237
104018429717
1117823317a5
129419201b1
134c06a5183
142a1990461
15187bb5c97
hexef845f15

4018429717 has 4 divisors (see below), whose sum is σ = 4084305676. Its totient is φ = 3952553760.

The previous prime is 4018429703. The next prime is 4018429739. The reversal of 4018429717 is 7179248104.

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 186076881 + 3832352836 = 13641^2 + 61906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4018429717 is a prime.

It is a super-2 number, since 2×40184297172 = 32295554780937400178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018429117) 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, 32937888 + ... + 32938009.

It is an arithmetic number, because the mean of its divisors is an integer number (1021076419).

Almost surely, 24018429717 is an apocalyptic number.

It is an amenable number.

4018429717 is a deficient number, since it is larger than the sum of its proper divisors (65875959).

4018429717 is an equidigital number, since it uses as much as digits as its factorization.

4018429717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65875958.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 4018429717 is about 63391.0854694885. The cubic root of 4018429717 is about 1589.8352633144.

The spelling of 4018429717 in words is "four billion, eighteen million, four hundred twenty-nine thousand, seven hundred seventeen".

Divisors: 1 61 65875897 4018429717