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444181930000 = 2454199223207
BaseRepresentation
bin1100111011010110100…
…11100110000000010000
31120110111210122221222121
412131223103212000100
524234141033230000
6540015424144024
744043146052364
oct6355323460020
91513453587877
10444181930000
11161416135336
1272103768014
1332b69c107a3
14176d9d212a4
15b84a5e0b1a
hex676b4e6010

444181930000 has 100 divisors (see below), whose sum is σ = 1080817777600. Its totient is φ = 176779152000.

The previous prime is 444181929949. The next prime is 444181930019. The reversal of 444181930000 is 39181444.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1878397 + ... + 2101603.

It is an arithmetic number, because the mean of its divisors is an integer number (10808177776).

Almost surely, 2444181930000 is an apocalyptic number.

444181930000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444181930000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540408888800).

444181930000 is an abundant number, since it is smaller than the sum of its proper divisors (636635847600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444181930000 is a wasteful number, since it uses less digits than its factorization.

444181930000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223434 (or 223413 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 444181930000 in words is "four hundred forty-four billion, one hundred eighty-one million, nine hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 199 200 250 398 400 500 625 796 995 1000 1250 1592 1990 2000 2500 3184 3980 4975 5000 7960 9950 10000 15920 19900 24875 39800 49750 79600 99500 124375 199000 223207 248750 398000 446414 497500 892828 995000 1116035 1785656 1990000 2232070 3571312 4464140 5580175 8928280 11160350 17856560 22320700 27900875 44418193 44641400 55801750 88836386 89282800 111603500 139504375 177672772 222090965 223207000 279008750 355345544 444181930 446414000 558017500 710691088 888363860 1110454825 1116035000 1776727720 2220909650 2232070000 3553455440 4441819300 5552274125 8883638600 11104548250 17767277200 22209096500 27761370625 44418193000 55522741250 88836386000 111045482500 222090965000 444181930000