Base | Representation |
---|---|
bin | 100011110010110… |
… | …0010100000100010 |
3 | 10002200221021211201 |
4 | 1013211202200202 |
5 | 4424430214020 |
6 | 315102031414 |
7 | 41522345545 |
oct | 10745424042 |
9 | 3080837751 |
10 | 1201023010 |
11 | 566a45400 |
12 | 29627856a |
13 | 161a92005 |
14 | b571885c |
15 | 7068da0a |
hex | 47962822 |
1201023010 has 48 divisors (see below), whose sum is σ = 2408967288. Its totient is φ = 430721280.
The previous prime is 1201022969. The next prime is 1201023011. The reversal of 1201023010 is 103201021.
It can be written as a sum of positive squares in 4 ways, for example, as 737611281 + 463411729 = 27159^2 + 21527^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (1201023011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81532 + ... + 95128.
Almost surely, 21201023010 is an apocalyptic number.
1201023010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201023010 is an abundant number, since it is smaller than the sum of its proper divisors (1207944278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201023010 is a wasteful number, since it uses less digits than its factorization.
1201023010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13699 (or 13688 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1201023010 is about 34655.7788831820. The cubic root of 1201023010 is about 1062.9604585064.
Adding to 1201023010 its reverse (103201021), we get a palindrome (1304224031).
The spelling of 1201023010 in words is "one billion, two hundred one million, twenty-three thousand, ten".
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