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18048347000 = 2353194322091
BaseRepresentation
bin10000110011110000…
…111110101101111000
31201120211011000122022
4100303300332231320
5243430334101000
612142530414012
71206153263315
oct206360765570
951524130568
1018048347000
117721904262
1235b8431308
13191825a488
14c33013d0c
15709758585
hex433c3eb78

18048347000 has 128 divisors (see below), whose sum is σ = 45491846400. Its totient is φ = 6680016000.

The previous prime is 18048346937. The next prime is 18048347011. The reversal of 18048347000 is 74384081.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 805955 + ... + 828045.

It is an arithmetic number, because the mean of its divisors is an integer number (355405050).

Almost surely, 218048347000 is an apocalyptic number.

18048347000 is a gapful number since it is divisible by the number (10) 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 18048347000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22745923200).

18048347000 is an abundant number, since it is smaller than the sum of its proper divisors (27443499400).

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

18048347000 is a wasteful number, since it uses less digits than its factorization.

18048347000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22174 (or 22160 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 18048347000 in words is "eighteen billion, forty-eight million, three hundred forty-seven thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 43 50 76 86 95 100 125 152 172 190 200 215 250 344 380 430 475 500 760 817 860 950 1000 1075 1634 1720 1900 2150 2375 3268 3800 4085 4300 4750 5375 6536 8170 8600 9500 10750 16340 19000 20425 21500 22091 32680 40850 43000 44182 81700 88364 102125 110455 163400 176728 204250 220910 408500 419729 441820 552275 817000 839458 883640 949913 1104550 1678916 1899826 2098645 2209100 2761375 3357832 3799652 4197290 4418200 4749565 5522750 7599304 8394580 9499130 10493225 11045500 16789160 18048347 18998260 20986450 22091000 23747825 36096694 37996520 41972900 47495650 52466125 72193388 83945800 90241735 94991300 104932250 118739125 144386776 180483470 189982600 209864500 237478250 360966940 419729000 451208675 474956500 721933880 902417350 949913000 1804834700 2256043375 3609669400 4512086750 9024173500 18048347000