Base | Representation |
---|---|
bin | 11000000101010… |
… | …11110000010101 |
3 | 112002011012012100 |
4 | 30002223300111 |
5 | 403204430401 |
6 | 32014112313 |
7 | 5002141020 |
oct | 1402536025 |
9 | 462135170 |
10 | 202030101 |
11 | a404a229 |
12 | 577ab699 |
13 | 32b18350 |
14 | 1cb901b7 |
15 | 12b0ab86 |
hex | c0abc15 |
202030101 has 96 divisors (see below), whose sum is σ = 378443520. Its totient is φ = 101025792.
The previous prime is 202030079. The next prime is 202030133. The reversal of 202030101 is 101030202.
202030101 = 1003 + 1013 + ... + 1733.
It is a happy number.
It is not a de Polignac number, because 202030101 - 27 = 202029973 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202030141) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1787821 + ... + 1787933.
It is an arithmetic number, because the mean of its divisors is an integer number (3942120).
Almost surely, 2202030101 is an apocalyptic number.
202030101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
202030101 is a deficient number, since it is larger than the sum of its proper divisors (176413419).
202030101 is a wasteful number, since it uses less digits than its factorization.
202030101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235 (or 232 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 202030101 is about 14213.7293135897. The cubic root of 202030101 is about 586.7755740408.
Adding to 202030101 its reverse (101030202), we get a palindrome (303060303).
The spelling of 202030101 in words is "two hundred two million, thirty thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •