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4394711919 = 313238347287
BaseRepresentation
bin1000001011111000…
…11111101101101111
3102100021102111102010
410011330133231233
533000021240134
62004025532303
7213622302123
oct40574375557
912307374363
104394711919
111955778124
12a27944093
13550631070
142d993d583
151aac41ce9
hex105f1fb6f

4394711919 has 16 divisors (see below), whose sum is σ = 6313137152. Its totient is φ = 2703246048.

The previous prime is 4394711917. The next prime is 4394711957. The reversal of 4394711919 is 9191174934.

It is not a de Polignac number, because 4394711919 - 21 = 4394711917 is a prime.

It is a super-2 number, since 2×43947119192 = 38626985702001325122, 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 (4394711917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69294 + ... + 116580.

It is an arithmetic number, because the mean of its divisors is an integer number (394571072).

Almost surely, 24394711919 is an apocalyptic number.

4394711919 is a deficient number, since it is larger than the sum of its proper divisors (1918425233).

4394711919 is a wasteful number, since it uses less digits than its factorization.

4394711919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49686.

The product of its digits is 244944, while the sum is 48.

The square root of 4394711919 is about 66292.6234131672. The cubic root of 4394711919 is about 1637.9858178511.

The spelling of 4394711919 in words is "four billion, three hundred ninety-four million, seven hundred eleven thousand, nine hundred nineteen".

Divisors: 1 3 13 39 2383 7149 30979 47287 92937 141861 614731 1844193 112684921 338054763 1464903973 4394711919