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12466431145 = 5719139134867
BaseRepresentation
bin10111001110000111…
…01010010010101001
31012011210210022121001
423213003222102221
5201012401244040
65421010515001
7620633626210
oct134703522251
935153708531
1012466431145
115317a80263
1224bab95a61
13123899539c
14863956077
154ce6a759a
hex2e70ea4a9

12466431145 has 32 divisors (see below), whose sum is σ = 18126259200. Its totient is φ = 8040171456.

The previous prime is 12466431101. The next prime is 12466431149. The reversal of 12466431145 is 54113466421.

12466431145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12466431145 - 213 = 12466422953 is a prime.

It is a super-2 number, since 2×124664311452 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12466431149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25002 + ... + 159868.

It is an arithmetic number, because the mean of its divisors is an integer number (566445600).

Almost surely, 212466431145 is an apocalyptic number.

It is an amenable number.

12466431145 is a deficient number, since it is larger than the sum of its proper divisors (5659828055).

12466431145 is a wasteful number, since it uses less digits than its factorization.

12466431145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135037.

The product of its digits is 69120, while the sum is 37.

Adding to 12466431145 its reverse (54113466421), we get a palindrome (66579897566).

The spelling of 12466431145 in words is "twelve billion, four hundred sixty-six million, four hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 5 7 19 35 95 133 139 665 695 973 2641 4865 13205 18487 92435 134867 674335 944069 2562473 4720345 12812365 17937311 18746513 89686555 93732565 131225591 356183747 656127955 1780918735 2493286229 12466431145