Base | Representation |
---|---|
bin | 1100010111010000011… |
… | …1111000100100011010 |
3 | 202022020122010022122212 |
4 | 3011310013320210122 |
5 | 11434444303340044 |
6 | 241324223515122 |
7 | 21226336664153 |
oct | 3056407704432 |
9 | 668218108585 |
10 | 212401621274 |
11 | 820961a5887 |
12 | 351b8a58aa2 |
13 | 1704c74220b |
14 | a3cd1a692a |
15 | 57d20c8a9e |
hex | 31741f891a |
212401621274 has 16 divisors (see below), whose sum is σ = 323886995712. Its totient is φ = 104450765568.
The previous prime is 212401621259. The next prime is 212401621291. The reversal of 212401621274 is 472126104212.
It is a super-2 number, since 2×2124016212742 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 212401621274.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2831879 + ... + 2905914.
It is an arithmetic number, because the mean of its divisors is an integer number (20242937232).
Almost surely, 2212401621274 is an apocalyptic number.
212401621274 is a deficient number, since it is larger than the sum of its proper divisors (111485374438).
212401621274 is a wasteful number, since it uses less digits than its factorization.
212401621274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5738101.
The product of its (nonzero) digits is 10752, while the sum is 32.
Adding to 212401621274 its reverse (472126104212), we get a palindrome (684527725486).
The spelling of 212401621274 in words is "two hundred twelve billion, four hundred one million, six hundred twenty-one thousand, two hundred seventy-four".
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