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12422113144 = 237221823449
BaseRepresentation
bin10111001000110101…
…00110011101111000
31012001201101201201121
423210122212131320
5200420030110034
65412344555024
7616555135210
oct134432463570
935051351647
1012422113144
1152a4a60511
1224a8182a74
13122c74930c
1485badb240
154ca8511b4
hex2e46a6778

12422113144 has 16 divisors (see below), whose sum is σ = 26618814000. Its totient is φ = 5323762752.

The previous prime is 12422113133. The next prime is 12422113153. The reversal of 12422113144 is 44131122421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110911669 + ... + 110911780.

It is an arithmetic number, because the mean of its divisors is an integer number (1663675875).

Almost surely, 212422113144 is an apocalyptic number.

12422113144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12422113144 is an abundant number, since it is smaller than the sum of its proper divisors (14196700856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12422113144 is a wasteful number, since it uses less digits than its factorization.

12422113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221823462 (or 221823458 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 12422113144 its reverse (44131122421), we get a palindrome (56553235565).

The spelling of 12422113144 in words is "twelve billion, four hundred twenty-two million, one hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 221823449 443646898 887293796 1552764143 1774587592 3105528286 6211056572 12422113144