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430124120440 = 235713727134133
BaseRepresentation
bin1100100001001010110…
…01010011100101111000
31112010020002102020121021
412100211121103211320
524021343233323230
6525332444352224
743034606462020
oct6204531234570
91463202366537
10430124120440
11156461941a03
126b43b845674
1331739640991
1416b64cbaa80
15b2c638dc7a
hex6425653978

430124120440 has 128 divisors (see below), whose sum is σ = 1114787007360. Its totient is φ = 146305327104.

The previous prime is 430124120431. The next prime is 430124120449. The reversal of 430124120440 is 44021421034.

It is an interprime number because it is at equal distance from previous prime (430124120431) and next prime (430124120449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430124120449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104068614 + ... + 104072746.

It is an arithmetic number, because the mean of its divisors is an integer number (8709273495).

Almost surely, 2430124120440 is an apocalyptic number.

430124120440 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 430124120440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557393503680).

430124120440 is an abundant number, since it is smaller than the sum of its proper divisors (684662886920).

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

430124120440 is a wasteful number, since it uses less digits than its factorization.

430124120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6997 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 430124120440 its reverse (44021421034), we get a palindrome (474145541474).

It can be divided in two parts, 430124 and 120440, that added together give a square (550564 = 7422).

The spelling of 430124120440 in words is "four hundred thirty billion, one hundred twenty-four million, one hundred twenty thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 137 140 274 280 548 685 959 1096 1370 1918 2713 2740 3836 4133 4795 5426 5480 7672 8266 9590 10852 13565 16532 18991 19180 20665 21704 27130 28931 33064 37982 38360 41330 54260 57862 75964 82660 94955 108520 115724 144655 151928 165320 189910 231448 289310 371681 379820 566221 578620 743362 759640 1132442 1157240 1486724 1858405 2264884 2601767 2831105 2973448 3716810 3963547 4529768 5203534 5662210 7433620 7927094 10407068 11212829 11324420 13008835 14867240 15854188 19817735 20814136 22425658 22648840 26017670 31708376 39635470 44851316 52035340 56064145 78489803 79270940 89702632 104070680 112128290 156979606 158541880 224256580 313959212 392449015 448513160 627918424 784898030 1536157573 1569796060 3072315146 3139592120 6144630292 7680787865 10753103011 12289260584 15361575730 21506206022 30723151460 43012412044 53765515055 61446302920 86024824088 107531030110 215062060220 430124120440