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4895139823 = 74397389431
BaseRepresentation
bin1001000111100010…
…11110011111101111
3110122011001212102221
410203301132133233
540011123433243
62125423500211
7232210000450
oct44361363757
913564055387
104895139823
1120921a7002
12b47457667
13600205b52
143461a7127
151d9b41bed
hex123c5e7ef

4895139823 has 32 divisors (see below), whose sum is σ = 5811886080. Its totient is φ = 4036193280.

The previous prime is 4895139791. The next prime is 4895139827. The reversal of 4895139823 is 3289315984.

It is not a de Polignac number, because 4895139823 - 25 = 4895139791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4895139827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11357418 + ... + 11357848.

It is an arithmetic number, because the mean of its divisors is an integer number (181621440).

Almost surely, 24895139823 is an apocalyptic number.

4895139823 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4895139823 is a deficient number, since it is larger than the sum of its proper divisors (916746257).

4895139823 is a wasteful number, since it uses less digits than its factorization.

4895139823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 1866240, while the sum is 52.

The square root of 4895139823 is about 69965.2758373752. The cubic root of 4895139823 is about 1697.9375013703.

The spelling of 4895139823 in words is "four billion, eight hundred ninety-five million, one hundred thirty-nine thousand, eight hundred twenty-three".

Divisors: 1 7 43 97 301 389 431 679 2723 3017 4171 16727 18533 29197 37733 41807 117089 129731 167659 264131 292649 1173613 1622519 1797701 7209337 11357633 12583907 16262923 50465359 113840461 699305689 4895139823