Base | Representation |
---|---|
bin | 11011011011101… |
… | …01111001011111 |
3 | 121001000100202001 |
4 | 31231311321133 |
5 | 432402333210 |
6 | 34500143131 |
7 | 5462665603 |
oct | 1555657137 |
9 | 531010661 |
10 | 230121055 |
11 | 10899639a |
12 | 65097aa7 |
13 | 388a2408 |
14 | 227c3503 |
15 | 1530903a |
hex | db75e5f |
230121055 has 16 divisors (see below), whose sum is σ = 280051200. Its totient is φ = 181509408.
The previous prime is 230121007. The next prime is 230121077. The reversal of 230121055 is 550121032.
It is a cyclic number.
It is not a de Polignac number, because 230121055 - 211 = 230119007 is a prime.
It is a congruent number.
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, 134596 + ... + 136294.
It is an arithmetic number, because the mean of its divisors is an integer number (17503200).
Almost surely, 2230121055 is an apocalyptic number.
230121055 is a deficient number, since it is larger than the sum of its proper divisors (49930145).
230121055 is a wasteful number, since it uses less digits than its factorization.
230121055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2070.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 230121055 is about 15169.7414282512. The cubic root of 230121055 is about 612.8000406969.
Adding to 230121055 its reverse (550121032), we get a palindrome (780242087).
The spelling of 230121055 in words is "two hundred thirty million, one hundred twenty-one thousand, fifty-five".
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