| Base | Representation |
|---|---|
| bin | 100011110100101… |
| … | …1000011000010100 |
| 3 | 10002202211110022100 |
| 4 | 1013221120120110 |
| 5 | 4430204430400 |
| 6 | 315135402100 |
| 7 | 41534041635 |
| oct | 10751303024 |
| 9 | 3082743270 |
| 10 | 1202030100 |
| 11 | 567573007 |
| 12 | 296683330 |
| 13 | 16205551b |
| 14 | b58db88c |
| 15 | 707dc100 |
| hex | 47a58614 |
1202030100 has 108 divisors (see below), whose sum is σ = 3869633404. Its totient is φ = 311869440.
The previous prime is 1202030099. The next prime is 1202030107. The reversal of 1202030100 is 10302021.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 12194064 + 1189836036 = 3492^2 + 34494^2 .
It is a super-2 number, since 2×12020301002 = 2889752722612020000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202030107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15252 + ... + 51348.
Almost surely, 21202030100 is an apocalyptic number.
1202030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1202030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934816702).
1202030100 is an abundant number, since it is smaller than the sum of its proper divisors (2667603304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202030100 is a wasteful number, since it uses less digits than its factorization.
1202030100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36154 (or 36144 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 1202030100 is about 34670.3057384846. The cubic root of 1202030100 is about 1063.2574824504.
Adding to 1202030100 its reverse (10302021), we get a palindrome (1212332121).
The spelling of 1202030100 in words is "one billion, two hundred two million, thirty thousand, one hundred".
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