Search a number
-
+
12422111040 = 2632523918047
BaseRepresentation
bin10111001000110101…
…00101111101000000
31012001201101121211200
423210122211331000
5200420030023130
65412344541200
7616555126113
oct134432457500
935051347750
1012422111040
1152a4a59979
1224a8181800
13122c748381
1485bada57a
154ca850760
hex2e46a5f40

12422111040 has 168 divisors, whose sum is σ = 42908037120. Its totient is φ = 3298520064.

The previous prime is 12422111003. The next prime is 12422111057. The reversal of 12422111040 is 4011122421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679297 + ... + 697343.

Almost surely, 212422111040 is an apocalyptic number.

12422111040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21454018560).

12422111040 is an abundant number, since it is smaller than the sum of its proper divisors (30485926080).

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

12422111040 is a wasteful number, since it uses less digits than its factorization.

12422111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309 (or 18296 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12422111040 its reverse (4011122421), we get a palindrome (16433233461).

The spelling of 12422111040 in words is "twelve billion, four hundred twenty-two million, one hundred eleven thousand, forty".