Base | Representation |
---|---|
bin | 111001011000000000… |
… | …0100001001101011010 |
3 | 102210000212010122100000 |
4 | 1302300000201031122 |
5 | 4004314233312310 |
6 | 132334112553430 |
7 | 11621210544003 |
oct | 1626000411532 |
9 | 383025118300 |
10 | 123212010330 |
11 | 48287a71012 |
12 | 1ba67552876 |
13 | b80779c7b6 |
14 | 5d6bb7a1aa |
15 | 3311e774c0 |
hex | 1cb002135a |
123212010330 has 192 divisors, whose sum is σ = 336408403968. Its totient is φ = 32443882560.
The previous prime is 123212010329. The next prime is 123212010353. The reversal of 123212010330 is 33010212321.
123212010330 is a `hidden beast` number, since 1 + 2 + 321 + 2 + 0 + 10 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 151925625 + ... + 151926435.
It is an arithmetic number, because the mean of its divisors is an integer number (1752127104).
Almost surely, 2123212010330 is an apocalyptic number.
123212010330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 123212010330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168204201984).
123212010330 is an abundant number, since it is smaller than the sum of its proper divisors (213196393638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123212010330 is a wasteful number, since it uses less digits than its factorization.
123212010330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543 (or 1531 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 123212010330 its reverse (33010212321), we get a palindrome (156222222651).
The spelling of 123212010330 in words is "one hundred twenty-three billion, two hundred twelve million, ten thousand, three hundred thirty".
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