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12245321005 = 53179002071
BaseRepresentation
bin10110110011110000…
…01100010100101101
31011121101201202111121
423121320030110231
5200034300233010
65343031420541
7612310340221
oct133170142455
934541652447
1012245321005
115214189a05
122458b24751
131201c29598
1484243a781
154ba07d3da
hex2d9e0c52d

12245321005 has 8 divisors (see below), whose sum is σ = 15168397824. Its totient is φ = 9480248400.

The previous prime is 12245320993. The next prime is 12245321009. The reversal of 12245321005 is 50012354221.

12245321005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12245321005 - 27 = 12245320877 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 (12245321009) 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 7 ways as a sum of consecutive naturals, for example, 39500881 + ... + 39501190.

It is an arithmetic number, because the mean of its divisors is an integer number (1896049728).

Almost surely, 212245321005 is an apocalyptic number.

It is an amenable number.

12245321005 is a deficient number, since it is larger than the sum of its proper divisors (2923076819).

12245321005 is an equidigital number, since it uses as much as digits as its factorization.

12245321005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79002107.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12245321005 its reverse (50012354221), we get a palindrome (62257675226).

The spelling of 12245321005 in words is "twelve billion, two hundred forty-five million, three hundred twenty-one thousand, five".

Divisors: 1 5 31 155 79002071 395010355 2449064201 12245321005