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20630150440320 = 273582609130069
BaseRepresentation
bin1001011000011010101001…
…10010011110010110000000
32201001020000122200121211210
410230031110302132112000
510201001022003042240
6111513205453010120
74226323234261161
oct454152462362600
981036018617753
1020630150440320
11663421a107703
122392317783940
13b6855152a775
1451470c90b768
1525b986b47780
hex12c354c9e580

20630150440320 has 128 divisors (see below), whose sum is σ = 65759906124000. Its totient is φ = 5501264560128.

The previous prime is 20630150440301. The next prime is 20630150440321. The reversal of 20630150440320 is 2304405103602.

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 (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630150440321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 158544246 + ... + 158674314.

Almost surely, 220630150440320 is an apocalyptic number.

20630150440320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20630150440320 is an abundant number, since it is smaller than the sum of its proper divisors (45129755683680).

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

20630150440320 is a wasteful number, since it uses less digits than its factorization.

20630150440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212700 (or 212688 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20630150440320 its reverse (2304405103602), we get a palindrome (22934555543922).

The spelling of 20630150440320 in words is "twenty trillion, six hundred thirty billion, one hundred fifty million, four hundred forty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 82609 130069 165218 247827 260138 330436 390207 413045 495654 520276 650345 660872 780414 826090 991308 1040552 1239135 1300690 1321744 1560828 1652180 1951035 1982616 2081104 2478270 2601380 2643488 3121656 3304360 3902070 3965232 4162208 4956540 5202760 5286976 6243312 6608720 7804140 7930464 8324416 9913080 10405520 10573952 12486624 13217440 15608280 15860928 16648832 19826160 20811040 24973248 26434880 31216560 31721856 39652320 41622080 49946496 52869760 62433120 79304640 83244160 124866240 158609280 249732480 10744870021 21489740042 32234610063 42979480084 53724350105 64469220126 85958960168 107448700210 128938440252 161173050315 171917920336 214897400420 257876880504 322346100630 343835840672 429794800840 515753761008 644692201260 687671681344 859589601680 1031507522016 1289384402520 1375343362688 1719179203360 2063015044032 2578768805040 3438358406720 4126030088064 5157537610080 6876716813440 10315075220160 20630150440320