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18050830193280 = 273553177386303
BaseRepresentation
bin1000001101010110010010…
…10100100101001010000000
32100220122100101121000101210
410012223021110211022000
54331221100012141110
6102220234212330120
73542062254025053
oct406531124451200
970818311530353
1018050830193280
11582a350072855
122036456613940
13a0c2557b4211
14465944486a9a
1521482458b520
hex106ac9525280

18050830193280 has 128 divisors (see below), whose sum is σ = 58622625745920. Its totient is φ = 4722732904448.

The previous prime is 18050830193269. The next prime is 18050830193293. The reversal of 18050830193280 is 8239103805081.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88591392 + ... + 88794911.

It is an arithmetic number, because the mean of its divisors is an integer number (457989263640).

Almost surely, 218050830193280 is an apocalyptic number.

18050830193280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18050830193280 is an abundant number, since it is smaller than the sum of its proper divisors (40571795552640).

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

18050830193280 is a wasteful number, since it uses less digits than its factorization.

18050830193280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177386378 (or 177386366 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 18050830193280 in words is "eighteen trillion, fifty billion, eight hundred thirty million, one hundred ninety-three thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 64 80 96 106 120 128 159 160 192 212 240 265 318 320 384 424 480 530 636 640 795 848 960 1060 1272 1590 1696 1920 2120 2544 3180 3392 4240 5088 6360 6784 8480 10176 12720 16960 20352 25440 33920 50880 101760 177386303 354772606 532158909 709545212 886931515 1064317818 1419090424 1773863030 2128635636 2660794545 2838180848 3547726060 4257271272 5321589090 5676361696 7095452120 8514542544 9401474059 10643178180 11352723392 14190904240 17029085088 18802948118 21286356360 22705446784 28204422177 28381808480 34058170176 37605896236 42572712720 47007370295 56408844354 56763616960 68116340352 75211792472 85145425440 94014740590 112817688708 113527233920 141022110885 150423584944 170290850880 188029481180 225635377416 282044221770 300847169888 340581701760 376058962360 451270754832 564088443540 601694339776 752117924720 902541509664 1128176887080 1203388679552 1504235849440 1805083019328 2256353774160 3008471698880 3610166038656 4512707548320 6016943397760 9025415096640 18050830193280