Base | Representation |
---|---|
bin | 1100011110001001011… |
… | …1001010110111011100 |
3 | 202111000112021200212221 |
4 | 3013202113022313130 |
5 | 12002241241402030 |
6 | 242231533035124 |
7 | 21323225330026 |
oct | 3074227126734 |
9 | 674015250787 |
10 | 214251122140 |
11 | 8295519a1a0 |
12 | 35634325aa4 |
13 | 17285974423 |
14 | a526a87016 |
15 | 588e65de7a |
hex | 31e25caddc |
214251122140 has 96 divisors (see below), whose sum is σ = 512642317824. Its totient is φ = 74453448960.
The previous prime is 214251122069. The next prime is 214251122161. The reversal of 214251122140 is 41221152412.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5633067 + ... + 5670973.
It is an arithmetic number, because the mean of its divisors is an integer number (5340024144).
Almost surely, 2214251122140 is an apocalyptic number.
214251122140 is a gapful number since it is divisible by the number (20) 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 214251122140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256321158912).
214251122140 is an abundant number, since it is smaller than the sum of its proper divisors (298391195684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214251122140 is a wasteful number, since it uses less digits than its factorization.
214251122140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39067 (or 39065 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
Adding to 214251122140 its reverse (41221152412), we get a palindrome (255472274552).
The spelling of 214251122140 in words is "two hundred fourteen billion, two hundred fifty-one million, one hundred twenty-two thousand, one hundred forty".
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