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12434411005 = 52486882201
BaseRepresentation
bin10111001010010011…
…00000110111111101
31012002120112112012221
423211021200313331
5200431202123010
65413504325341
7620064515062
oct134511406775
935076475187
1012434411005
1153009a0035
1224b0313851
131232163a63
1485d5bcc69
154cb97edda
hex2e5260dfd

12434411005 has 4 divisors (see below), whose sum is σ = 14921293212. Its totient is φ = 9947528800.

The previous prime is 12434410993. The next prime is 12434411009. The reversal of 12434411005 is 50011443421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6113206969 + 6321204036 = 78187^2 + 79506^2 .

It is not a de Polignac number, because 12434411005 - 25 = 12434410973 is a prime.

It is a super-2 number, since 2×124344110052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434411009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1243441096 + ... + 1243441105.

It is an arithmetic number, because the mean of its divisors is an integer number (3730323303).

Almost surely, 212434411005 is an apocalyptic number.

It is an amenable number.

12434411005 is a deficient number, since it is larger than the sum of its proper divisors (2486882207).

12434411005 is an equidigital number, since it uses as much as digits as its factorization.

12434411005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486882206.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12434411005 its reverse (50011443421), we get a palindrome (62445854426).

The spelling of 12434411005 in words is "twelve billion, four hundred thirty-four million, four hundred eleven thousand, five".

Divisors: 1 5 2486882201 12434411005