Base | Representation |
---|---|
bin | 11001010001010… |
… | …10101001110110 |
3 | 112202220001120200 |
4 | 30220222221312 |
5 | 413232041222 |
6 | 33011341330 |
7 | 5152601040 |
oct | 1450525166 |
9 | 482801520 |
10 | 211987062 |
11 | a9730021 |
12 | 5abb1846 |
13 | 34bc3441 |
14 | 20222a90 |
15 | 13925eac |
hex | ca2aa76 |
211987062 has 48 divisors (see below), whose sum is σ = 532776192. Its totient is φ = 59661360.
The previous prime is 211987057. The next prime is 211987091. The reversal of 211987062 is 260789112.
211987062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 4114 + ... + 20997.
It is an arithmetic number, because the mean of its divisors is an integer number (11099504).
Almost surely, 2211987062 is an apocalyptic number.
211987062 is an abundant number, since it is smaller than the sum of its proper divisors (320789130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211987062 is a wasteful number, since it uses less digits than its factorization.
211987062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25193 (or 25190 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 211987062 is about 14559.7754790381. The cubic root of 211987062 is about 596.2610656807.
The spelling of 211987062 in words is "two hundred eleven million, nine hundred eighty-seven thousand, sixty-two".
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