Base | Representation |
---|---|
bin | 11011011011101… |
… | …01111010100000 |
3 | 121001000100211110 |
4 | 31231311322200 |
5 | 432402333440 |
6 | 34500143320 |
7 | 5462666025 |
oct | 1555657240 |
9 | 531010743 |
10 | 230121120 |
11 | 108996449 |
12 | 65097b40 |
13 | 388a2458 |
14 | 227c354c |
15 | 15309080 |
hex | db75ea0 |
230121120 has 48 divisors (see below), whose sum is σ = 724883040. Its totient is φ = 61365504.
The previous prime is 230121109. The next prime is 230121121. The reversal of 230121120 is 21121032.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 230121096 and 230121105.
It is not an unprimeable number, because it can be changed into a prime (230121121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239230 + ... + 240189.
It is an arithmetic number, because the mean of its divisors is an integer number (15101730).
Almost surely, 2230121120 is an apocalyptic number.
230121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230121120 is an abundant number, since it is smaller than the sum of its proper divisors (494761920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230121120 is a wasteful number, since it uses less digits than its factorization.
230121120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479437 (or 479429 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 230121120 is about 15169.7435706738. The cubic root of 230121120 is about 612.8000983941.
Adding to 230121120 its reverse (21121032), we get a palindrome (251242152).
The spelling of 230121120 in words is "two hundred thirty million, one hundred twenty-one thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.060 sec. • engine limits •