Base | Representation |
---|---|
bin | 1000010000001100… |
… | …1010010111100100 |
3 | 12201101201001211220 |
4 | 2010003022113210 |
5 | 14014121441122 |
6 | 1003500100340 |
7 | 105620525361 |
oct | 20403122744 |
9 | 5641631756 |
10 | 2215421412 |
11 | a37602996 |
12 | 519b346b0 |
13 | 293ca0a59 |
14 | 170333468 |
15 | ce76625c |
hex | 840ca5e4 |
2215421412 has 48 divisors (see below), whose sum is σ = 5321296512. Its totient is φ = 717050880.
The previous prime is 2215421333. The next prime is 2215421441. The reversal of 2215421412 is 2141245122.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43737 + ... + 79647.
It is an arithmetic number, because the mean of its divisors is an integer number (110860344).
Almost surely, 22215421412 is an apocalyptic number.
It is an amenable number.
2215421412 is an abundant number, since it is smaller than the sum of its proper divisors (3105875100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215421412 is a wasteful number, since it uses less digits than its factorization.
2215421412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36068 (or 36066 counting only the distinct ones).
The product of its digits is 1280, while the sum is 24.
The square root of 2215421412 is about 47068.2633204158. The cubic root of 2215421412 is about 1303.6233064827.
Adding to 2215421412 its reverse (2141245122), we get a palindrome (4356666534).
The spelling of 2215421412 in words is "two billion, two hundred fifteen million, four hundred twenty-one thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •