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12424432445 = 5232919718911
BaseRepresentation
bin10111001001000110…
…11100101100111101
31012001212202120012122
423210203130230331
5200421123314240
65412510412325
7616613635055
oct134443345475
935055676178
1012424432445
1152a62a4a97
1224a8b010a5
13123007bb99
1485c142565
154cab5d4b5
hex2e48dcb3d

12424432445 has 32 divisors (see below), whose sum is σ = 16176568320. Its totient is φ = 9132471040.

The previous prime is 12424432421. The next prime is 12424432451. The reversal of 12424432445 is 54423442421.

It is not a de Polignac number, because 12424432445 - 214 = 12424416061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647540 + ... + 666450.

It is an arithmetic number, because the mean of its divisors is an integer number (505517760).

Almost surely, 212424432445 is an apocalyptic number.

It is an amenable number.

12424432445 is a deficient number, since it is larger than the sum of its proper divisors (3752135875).

12424432445 is a wasteful number, since it uses less digits than its factorization.

12424432445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165.

The product of its digits is 122880, while the sum is 35.

Adding to 12424432445 its reverse (54423442421), we get a palindrome (66847874866).

The spelling of 12424432445 in words is "twelve billion, four hundred twenty-four million, four hundred thirty-two thousand, four hundred forty-five".

Divisors: 1 5 23 29 115 145 197 667 985 3335 4531 5713 18911 22655 28565 94555 131399 434953 548419 656995 2174765 2742095 3725467 12613637 18627335 63068185 85685741 108038543 428428705 540192715 2484886489 12424432445