Base | Representation |
---|---|
bin | 1011110000111111110… |
… | …0101001100101000111 |
3 | 201022201212011201111220 |
4 | 2330033330221211013 |
5 | 11302431020120403 |
6 | 232505133131423 |
7 | 20413665215415 |
oct | 2741774514507 |
9 | 638655151456 |
10 | 202131020103 |
11 | 787a5767141 |
12 | 33211329b73 |
13 | 160a397b40c |
14 | 9ad71242b5 |
15 | 53d05b7953 |
hex | 2f0ff29947 |
202131020103 has 8 divisors (see below), whose sum is σ = 269764950000. Its totient is φ = 134625551808.
The previous prime is 202131020029. The next prime is 202131020107. The reversal of 202131020103 is 301020131202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-202131020103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202131020107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32111728 + ... + 32118021.
It is an arithmetic number, because the mean of its divisors is an integer number (33720618750).
Almost surely, 2202131020103 is an apocalyptic number.
202131020103 is a deficient number, since it is larger than the sum of its proper divisors (67633929897).
202131020103 is a wasteful number, since it uses less digits than its factorization.
202131020103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64230801.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 202131020103 its reverse (301020131202), we get a palindrome (503151151305).
The spelling of 202131020103 in words is "two hundred two billion, one hundred thirty-one million, twenty thousand, one hundred three".
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