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12443230420430 = 25257389106111731
BaseRepresentation
bin1011010100010010101001…
…0101000011110111001110
31122001120011010022101000212
42311010222111003313032
53112332213441423210
642244201404122422
72422664564303465
oct265045225036716
948046133271025
1012443230420430
113a681651a5997
12148b6b8836412
136c3512440454
143103813b59dc
15168a24c0c805
hexb512a543dce

12443230420430 has 64 divisors (see below), whose sum is σ = 22565937925440. Its totient is φ = 4940097945600.

The previous prime is 12443230420409. The next prime is 12443230420441. The reversal of 12443230420430 is 3402403234421.

12443230420430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124432304204302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060707665 + ... + 1060719395.

It is an arithmetic number, because the mean of its divisors is an integer number (352592780085).

Almost surely, 212443230420430 is an apocalyptic number.

12443230420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443230420430 is a deficient number, since it is larger than the sum of its proper divisors (10122707505010).

12443230420430 is a wasteful number, since it uses less digits than its factorization.

12443230420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 12443230420430 its reverse (3402403234421), we get a palindrome (15845633654851).

The spelling of 12443230420430 in words is "twelve trillion, four hundred forty-three billion, two hundred thirty million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 257 389 514 778 1061 1285 1945 2122 2570 3890 5305 10610 11731 23462 58655 99973 117310 199946 272677 412729 499865 545354 825458 999730 1363385 2063645 2726770 3014867 4127290 4563359 6029734 9126718 12446591 15074335 22816795 24893182 30148670 45633590 62232955 106071353 124465910 212142706 530356765 1060713530 1172783263 2345566526 3198773887 4841723899 5863916315 6397547774 9683447798 11727832630 15993869435 24208619495 31987738870 48417238990 1244323042043 2488646084086 6221615210215 12443230420430