Base | Representation |
---|---|
bin | 1100011110000000110… |
… | …1110110000100010100 |
3 | 202110221000112202122121 |
4 | 3013200031312010110 |
5 | 12002203032420340 |
6 | 242224205305324 |
7 | 21322310334640 |
oct | 3074015660424 |
9 | 673830482577 |
10 | 214215123220 |
11 | 8293694171a |
12 | 35624265244 |
13 | 1727b37baa7 |
14 | a521d95c20 |
15 | 588b3ec94a |
hex | 31e0376114 |
214215123220 has 48 divisors (see below), whose sum is σ = 514750497408. Its totient is φ = 73354584960.
The previous prime is 214215123197. The next prime is 214215123229. The reversal of 214215123220 is 22321512412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214215123229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829807 + ... + 1056886.
It is an arithmetic number, because the mean of its divisors is an integer number (10723968696).
Almost surely, 2214215123220 is an apocalyptic number.
214215123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214215123220 is an abundant number, since it is smaller than the sum of its proper divisors (300535374188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214215123220 is a wasteful number, since it uses less digits than its factorization.
214215123220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887520 (or 1887518 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 214215123220 its reverse (22321512412), we get a palindrome (236536635632).
The spelling of 214215123220 in words is "two hundred fourteen billion, two hundred fifteen million, one hundred twenty-three thousand, two hundred twenty".
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