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20230230330 = 234542315903
BaseRepresentation
bin10010110101110100…
…001101000100111010
31221012212202011220000
4102311310031010322
5312412414332310
613143232013430
71314216056232
oct226564150472
957185664800
1020230230330
11864148a522
123b07091276
131ba52b79bb
14d9cad6cc2
157d60974c0
hex4b5d0d13a

20230230330 has 80 divisors (see below), whose sum is σ = 54418915584. Its totient is φ = 5392539360.

The previous prime is 20230230329. The next prime is 20230230337. The reversal of 20230230330 is 3303203202.

20230230330 is a `hidden beast` number, since 2 + 0 + 2 + 302 + 30 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20230230337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3424159 + ... + 3430061.

Almost surely, 220230230330 is an apocalyptic number.

20230230330 is an abundant number, since it is smaller than the sum of its proper divisors (34188685254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230230330 is a wasteful number, since it uses less digits than its factorization.

20230230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153 (or 10144 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20230230330 its reverse (3303203202), we get a palindrome (23533433532).

The spelling of 20230230330 in words is "twenty billion, two hundred thirty million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 4231 5903 8462 11806 12693 17709 21155 25386 29515 35418 38079 42310 53127 59030 63465 76158 88545 106254 114237 126930 159381 177090 190395 228474 265635 318762 342711 380790 478143 531270 571185 685422 796905 956286 1142370 1593810 1713555 2390715 3427110 4781430 24975593 49951186 74926779 124877965 149853558 224780337 249755930 374633895 449560674 674341011 749267790 1123901685 1348682022 2023023033 2247803370 3371705055 4046046066 6743410110 10115115165 20230230330