Base | Representation |
---|---|
bin | 1100010111101010111… |
… | …0101011011000000110 |
3 | 202022112100200012210012 |
4 | 3011322232223120012 |
5 | 11440211142013100 |
6 | 241343223230222 |
7 | 21232154025113 |
oct | 3057256533006 |
9 | 668470605705 |
10 | 212512454150 |
11 | 821428161a7 |
12 | 35229ba8372 |
13 | 170696a96b9 |
14 | a3ddbb790a |
15 | 57dbbbd135 |
hex | 317abab606 |
212512454150 has 48 divisors (see below), whose sum is σ = 397522556928. Its totient is φ = 84521652000.
The previous prime is 212512454129. The next prime is 212512454239. The reversal of 212512454150 is 51454215212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31234649 + ... + 31241451.
It is an arithmetic number, because the mean of its divisors is an integer number (8281719936).
Almost surely, 2212512454150 is an apocalyptic number.
212512454150 is a deficient number, since it is larger than the sum of its proper divisors (185010102778).
212512454150 is a wasteful number, since it uses less digits than its factorization.
212512454150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10277 (or 10272 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 32.
Adding to 212512454150 its reverse (51454215212), we get a palindrome (263966669362).
The spelling of 212512454150 in words is "two hundred twelve billion, five hundred twelve million, four hundred fifty-four thousand, one hundred fifty".
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