Base | Representation |
---|---|
bin | 1101011101110001010… |
… | …1111011100001010110 |
3 | 211010002210012202001000 |
4 | 3113130111323201112 |
5 | 12242230440044110 |
6 | 254134352444130 |
7 | 22466400403500 |
oct | 3273425734126 |
9 | 733083182030 |
10 | 231330003030 |
11 | 8a119835195 |
12 | 389bbb49646 |
13 | 18a780c56c9 |
14 | b2a701ad70 |
15 | 603dc181c0 |
hex | 35dc57b856 |
231330003030 has 192 divisors, whose sum is σ = 718496801280. Its totient is φ = 52808995008.
The previous prime is 231330003017. The next prime is 231330003041. The reversal of 231330003030 is 30300033132.
231330003030 is a `hidden beast` number, since 2 + 31 + 330 + 0 + 0 + 303 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 231330002994 and 231330003012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10930639 + ... + 10951781.
It is an arithmetic number, because the mean of its divisors is an integer number (3742170840).
Almost surely, 2231330003030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231330003030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359248400640).
231330003030 is an abundant number, since it is smaller than the sum of its proper divisors (487166798250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231330003030 is a wasteful number, since it uses less digits than its factorization.
231330003030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22000 (or 21987 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 18.
Adding to 231330003030 its reverse (30300033132), we get a palindrome (261630036162).
The spelling of 231330003030 in words is "two hundred thirty-one billion, three hundred thirty million, three thousand, thirty".
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