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1214322443320 = 2357217317571553
BaseRepresentation
bin10001101010111011010…
…000100000010000111000
311022002101012220121122011
4101222323100200100320
5124343413021141240
62325504012135304
7153506020314400
oct21527320402070
94262335817564
101214322443320
11428a9a3a8808
12177416167534
138a682951c3c
1442ab8777800
15218c22b26ea
hex11abb420438

1214322443320 has 384 divisors, whose sum is σ = 3480647708160. Its totient is φ = 378463518720.

The previous prime is 1214322443311. The next prime is 1214322443353. The reversal of 1214322443320 is 233442234121.

It is a super-2 number, since 2×12143224433202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 781919664 + ... + 781921216.

It is an arithmetic number, because the mean of its divisors is an integer number (9064186740).

Almost surely, 21214322443320 is an apocalyptic number.

1214322443320 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 1214322443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740323854080).

1214322443320 is an abundant number, since it is smaller than the sum of its proper divisors (2266325264840).

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

1214322443320 is a wasteful number, since it uses less digits than its factorization.

1214322443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1214322443320 its reverse (233442234121), we get a palindrome (1447764677441).

The spelling of 1214322443320 in words is "one trillion, two hundred fourteen billion, three hundred twenty-two million, four hundred forty-three thousand, three hundred twenty".