Base | Representation |
---|---|
bin | 11001010010000… |
… | …01011000010111 |
3 | 112210001210021102 |
4 | 30221001120113 |
5 | 413243031101 |
6 | 33013340315 |
7 | 5153436323 |
oct | 1451013027 |
9 | 483053242 |
10 | 212080151 |
11 | a9793a58 |
12 | 5b03769b |
13 | 34c2691a |
14 | 20248983 |
15 | 1394386b |
hex | ca41617 |
212080151 has 4 divisors (see below), whose sum is σ = 224555472. Its totient is φ = 199604832.
The previous prime is 212080129. The next prime is 212080157. The reversal of 212080151 is 151080212.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 212080151 - 26 = 212080087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212080157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6237635 + ... + 6237668.
It is an arithmetic number, because the mean of its divisors is an integer number (56138868).
Almost surely, 2212080151 is an apocalyptic number.
212080151 is a deficient number, since it is larger than the sum of its proper divisors (12475321).
212080151 is a wasteful number, since it uses less digits than its factorization.
212080151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12475320.
The product of its (nonzero) digits is 160, while the sum is 20.
The square root of 212080151 is about 14562.9719151003. The cubic root of 212080151 is about 596.3483307921.
The spelling of 212080151 in words is "two hundred twelve million, eighty thousand, one hundred fifty-one".
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