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43100081472 = 2637251127763
BaseRepresentation
bin101000001000111101…
…110000110101000000
311010020201101222210210
4220020331300311000
51201232110101342
631444440154120
73054026435130
oct501075606500
9133221358723
1043100081472
1117307966148
12842a168940
1340ab4086b6
14212c1c6ac0
1511c3c4979c
hexa08f70d40

43100081472 has 112 divisors (see below), whose sum is σ = 130846689792. Its totient is φ = 12265152000.

The previous prime is 43100081443. The next prime is 43100081477. The reversal of 43100081472 is 27418000134.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43100081477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273463 + ... + 401225.

It is an arithmetic number, because the mean of its divisors is an integer number (1168274016).

Almost surely, 243100081472 is an apocalyptic number.

43100081472 is a gapful number since it is divisible by the number (42) 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 43100081472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65423344896).

43100081472 is an abundant number, since it is smaller than the sum of its proper divisors (87746608320).

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

43100081472 is a wasteful number, since it uses less digits than its factorization.

43100081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128036 (or 128026 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 43100081472 in words is "forty-three billion, one hundred million, eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 251 336 448 502 672 753 1004 1344 1506 1757 2008 3012 3514 4016 5271 6024 7028 8032 10542 12048 14056 16064 21084 24096 28112 42168 48192 56224 84336 112448 127763 168672 255526 337344 383289 511052 766578 894341 1022104 1533156 1788682 2044208 2683023 3066312 3577364 4088416 5366046 6132624 7154728 8176832 10732092 12265248 14309456 21464184 24530496 28618912 32068513 42928368 57237824 64137026 85856736 96205539 128274052 171713472 192411078 224479591 256548104 384822156 448959182 513096208 673438773 769644312 897918364 1026192416 1346877546 1539288624 1795836728 2052384832 2693755092 3078577248 3591673456 5387510184 6157154496 7183346912 10775020368 14366693824 21550040736 43100081472