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12423220113 = 311336646667
BaseRepresentation
bin10111001000111101…
…10100101110010001
31012001210110222012110
423210132310232101
5200420321020423
65412424415533
7616600425423
oct134436645621
935053428173
1012423220113
1152a5647167
1224a86175a9
13122ca46125
1485bd08813
154ca9be193
hex2e47b4b91

12423220113 has 8 divisors (see below), whose sum is σ = 16710880608. Its totient is φ = 8208853184.

The previous prime is 12423220109. The next prime is 12423220157. The reversal of 12423220113 is 31102232421.

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

It is a cyclic number.

It is not a de Polignac number, because 12423220113 - 22 = 12423220109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12423220113.

It is not an unprimeable number, because it can be changed into a prime (12423220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18322995 + ... + 18323672.

It is an arithmetic number, because the mean of its divisors is an integer number (2088860076).

Almost surely, 212423220113 is an apocalyptic number.

It is an amenable number.

12423220113 is a deficient number, since it is larger than the sum of its proper divisors (4287660495).

12423220113 is a wasteful number, since it uses less digits than its factorization.

12423220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36646783.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12423220113 its reverse (31102232421), we get a palindrome (43525452534).

The spelling of 12423220113 in words is "twelve billion, four hundred twenty-three million, two hundred twenty thousand, one hundred thirteen".

Divisors: 1 3 113 339 36646667 109940001 4141073371 12423220113