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12444402430 = 253176615939
BaseRepresentation
bin10111001011011111…
…01000001011111110
31012010021100010212201
423211233220023332
5200441231334210
65414502422114
7620245450435
oct134557501376
935107303781
1012444402430
1153065a4809
1224b373193a
131234251745
14860a6011c
154cc7a553a
hex2e5be82fe

12444402430 has 32 divisors (see below), whose sum is σ = 22508370720. Its totient is φ = 4953717120.

The previous prime is 12444402427. The next prime is 12444402433. The reversal of 12444402430 is 3420444421.

12444402430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12444402427) and next prime (12444402433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444402433) 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, 2092401 + ... + 2098339.

It is an arithmetic number, because the mean of its divisors is an integer number (703386585).

Almost surely, 212444402430 is an apocalyptic number.

12444402430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12444402430 is a deficient number, since it is larger than the sum of its proper divisors (10063968290).

12444402430 is a wasteful number, since it uses less digits than its factorization.

12444402430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12444402430 its reverse (3420444421), we get a palindrome (15864846851).

The spelling of 12444402430 in words is "twelve billion, four hundred forty-four million, four hundred two thousand, four hundred thirty".

Divisors: 1 2 5 10 317 634 661 1322 1585 3170 3305 5939 6610 11878 29695 59390 209537 419074 1047685 1882663 2095370 3765326 3925679 7851358 9413315 18826630 19628395 39256790 1244440243 2488880486 6222201215 12444402430