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12132420005 = 517537183457
BaseRepresentation
bin10110100110010011…
…00000100110100101
31011022112021210110002
423103021200212211
5144321344420010
65323515511045
7606436603616
oct132311404645
934275253402
1012132420005
1151664867a2
122427158485
1311b4719964
1483144bc0d
154b01cb1a5
hex2d32609a5

12132420005 has 64 divisors (see below), whose sum is σ = 16154546688. Its totient is φ = 8710840320.

The previous prime is 12132419987. The next prime is 12132420007. The reversal of 12132420005 is 50002423121.

It is not a de Polignac number, because 12132420005 - 26 = 12132419941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132420007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26547737 + ... + 26548193.

It is an arithmetic number, because the mean of its divisors is an integer number (252414792).

Almost surely, 212132420005 is an apocalyptic number.

It is an amenable number.

12132420005 is a deficient number, since it is larger than the sum of its proper divisors (4022126683).

12132420005 is a wasteful number, since it uses less digits than its factorization.

12132420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12132420005 its reverse (50002423121), we get a palindrome (62134843126).

The spelling of 12132420005 in words is "twelve billion, one hundred thirty-two million, four hundred twenty thousand, five".

Divisors: 1 5 17 53 71 83 85 265 355 415 457 901 1207 1411 2285 3763 4399 4505 5893 6035 7055 7769 18815 21995 24221 29465 32447 37931 38845 63971 74783 100181 121105 162235 189655 312329 319855 373915 411757 500905 551599 644827 1561645 1719691 2010343 2058785 2693101 2757995 3224135 5309593 8598455 10051715 13465505 26547965 29234747 34175831 45782717 142734353 146173735 170879155 228913585 713671765 2426484001 12132420005