Base | Representation |
---|---|
bin | 100011110011000… |
… | …1110000010110010 |
3 | 10002201021100110011 |
4 | 1013212032002302 |
5 | 4430001420310 |
6 | 315105525134 |
7 | 41524020460 |
oct | 10746160262 |
9 | 3081240404 |
10 | 1201201330 |
11 | 56705737a |
12 | 2963437aa |
13 | 161b25224 |
14 | b5763830 |
15 | 706c678a |
hex | 4798e0b2 |
1201201330 has 32 divisors (see below), whose sum is σ = 2550758400. Its totient is φ = 398554560.
The previous prime is 1201201301. The next prime is 1201201357. The reversal of 1201201330 is 331021021.
It is a self number, because there is not a number n which added to its sum of digits gives 1201201330.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274605 + ... + 278944.
It is an arithmetic number, because the mean of its divisors is an integer number (79711200).
Almost surely, 21201201330 is an apocalyptic number.
1201201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201201330 is an abundant number, since it is smaller than the sum of its proper divisors (1349557070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201201330 is a wasteful number, since it uses less digits than its factorization.
1201201330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 553594.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1201201330 is about 34658.3515187898. The cubic root of 1201201330 is about 1063.0130630297.
Adding to 1201201330 its reverse (331021021), we get a palindrome (1532222351).
The spelling of 1201201330 in words is "one billion, two hundred one million, two hundred one thousand, three hundred thirty".
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