Base | Representation |
---|---|
bin | 11111010101010101100… |
… | …011101011001001110010 |
3 | 21121211211012002000202110 |
4 | 133111111203223021302 |
5 | 240234240242433300 |
6 | 4325101201230150 |
7 | 311364436163340 |
oct | 37252543531162 |
9 | 7554735060673 |
10 | 2153214030450 |
11 | 76019a20564a |
12 | 2a9383032356 |
13 | 12807c9555a2 |
14 | 7630503c990 |
15 | 3b023d2c550 |
hex | 1f5558eb272 |
2153214030450 has 192 divisors, whose sum is σ = 6485156137728. Its totient is φ = 461539123200.
The previous prime is 2153214030361. The next prime is 2153214030479. The reversal of 2153214030450 is 540304123512.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4726710 + ... + 5162190.
It is an arithmetic number, because the mean of its divisors is an integer number (33776854884).
Almost surely, 22153214030450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2153214030450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3242578068864).
2153214030450 is an abundant number, since it is smaller than the sum of its proper divisors (4331942107278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2153214030450 is a wasteful number, since it uses less digits than its factorization.
2153214030450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435797 (or 435792 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 2153214030450 its reverse (540304123512), we get a palindrome (2693518153962).
The spelling of 2153214030450 in words is "two trillion, one hundred fifty-three billion, two hundred fourteen million, thirty thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •