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12444153530430 = 2351938803562633
BaseRepresentation
bin1011010100010110000101…
…0110011100100000111110
31122001122112110022012220010
42311011201112130200332
53112341111300433210
642244433141404050
72423026503513336
oct265054126344076
948048473265803
1012444153530430
113a68599282116
12148b915a09626
136c362b76899b
1431042bc2a0c6
15168a7aca1920
hexb516159c83e

12444153530430 has 64 divisors (see below), whose sum is σ = 31438727619840. Its totient is φ = 3143699548416.

The previous prime is 12444153530377. The next prime is 12444153530437. The reversal of 12444153530430 is 3403535144421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444153530437) 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, 21836394 + ... + 22399026.

It is an arithmetic number, because the mean of its divisors is an integer number (491230119060).

Almost surely, 212444153530430 is an apocalyptic number.

12444153530430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12444153530430 is an abundant number, since it is smaller than the sum of its proper divisors (18994574089410).

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

12444153530430 is a wasteful number, since it uses less digits than its factorization.

12444153530430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601465.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 12444153530430 its reverse (3403535144421), we get a palindrome (15847688674851).

The spelling of 12444153530430 in words is "twelve trillion, four hundred forty-four billion, one hundred fifty-three million, five hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 38803 77606 116409 194015 232818 388030 562633 582045 737257 1125266 1164090 1474514 1687899 2211771 2813165 3375798 3686285 4423542 5626330 7372570 8439495 10690027 11058855 16878990 21380054 22117710 32070081 53450135 64140162 106900270 160350405 320700810 21831848299 43663696598 65495544897 109159241495 130991089794 218318482990 327477724485 414805117681 654955448970 829610235362 1244415353043 2074025588405 2488830706086 4148051176810 6222076765215 12444153530430