Base | Representation |
---|---|
bin | 11011011011101… |
… | …11111000111100 |
3 | 121001000202221011 |
4 | 31231313320330 |
5 | 432403113322 |
6 | 34500245004 |
7 | 5463031435 |
oct | 1555677074 |
9 | 531022834 |
10 | 230129212 |
11 | 1089a1535 |
12 | 650a0764 |
13 | 388a6041 |
14 | 227c648c |
15 | 1530b677 |
hex | db77e3c |
230129212 has 24 divisors (see below), whose sum is σ = 409223360. Its totient is φ = 113218560.
The previous prime is 230129209. The next prime is 230129243. The reversal of 230129212 is 212921032.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105412 + ... + 107572.
Almost surely, 2230129212 is an apocalyptic number.
It is an amenable number.
230129212 is a deficient number, since it is larger than the sum of its proper divisors (179094148).
230129212 is a wasteful number, since it uses less digits than its factorization.
230129212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2581 (or 2579 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 230129212 is about 15170.0102834507. The cubic root of 230129212 is about 612.8072811627.
It can be divided in two parts, 2301 and 29212, that added together give a palindrome (31513).
The spelling of 230129212 in words is "two hundred thirty million, one hundred twenty-nine thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •