Base | Representation |
---|---|
bin | 11001100001100… |
… | …11011011011011 |
3 | 112220220102122010 |
4 | 30300303123123 |
5 | 414303321110 |
6 | 33125201003 |
7 | 5206664004 |
oct | 1460633333 |
9 | 486812563 |
10 | 214120155 |
11 | aa957707 |
12 | 5b860163 |
13 | 3548c322 |
14 | 2061a1ab |
15 | 13be8020 |
hex | cc336db |
214120155 has 16 divisors (see below), whose sum is σ = 345210624. Its totient is φ = 113324640.
The previous prime is 214120111. The next prime is 214120189. The reversal of 214120155 is 551021412.
It is not a de Polignac number, because 214120155 - 215 = 214087387 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52519 + ... + 56448.
It is an arithmetic number, because the mean of its divisors is an integer number (21575664).
Almost surely, 2214120155 is an apocalyptic number.
214120155 is a deficient number, since it is larger than the sum of its proper divisors (131090469).
214120155 is a wasteful number, since it uses less digits than its factorization.
214120155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109106.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 214120155 is about 14632.8450753775. The cubic root of 214120155 is about 598.2543287566.
Adding to 214120155 its reverse (551021412), we get a palindrome (765141567).
The spelling of 214120155 in words is "two hundred fourteen million, one hundred twenty thousand, one hundred fifty-five".
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