Base | Representation |
---|---|
bin | 111110100110000… |
… | …0001010010100111 |
3 | 12102101002110002120 |
4 | 1331030001102213 |
5 | 13300134144030 |
6 | 544224441023 |
7 | 103022165256 |
oct | 17514012247 |
9 | 5371073076 |
10 | 2100303015 |
11 | 988625818 |
12 | 4a7479173 |
13 | 276195a65 |
14 | 15cd2879d |
15 | c45c7010 |
hex | 7d3014a7 |
2100303015 has 32 divisors (see below), whose sum is σ = 3400056000. Its totient is φ = 1107025920.
The previous prime is 2100303011. The next prime is 2100303059. The reversal of 2100303015 is 5103030012.
It is a happy number.
It is not a de Polignac number, because 2100303015 - 22 = 2100303011 is a prime.
It is a super-2 number, since 2×21003030152 = 8822545509636180450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2100302985 and 2100303003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100303011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732685 + ... + 735545.
It is an arithmetic number, because the mean of its divisors is an integer number (106251750).
Almost surely, 22100303015 is an apocalyptic number.
2100303015 is a deficient number, since it is larger than the sum of its proper divisors (1299752985).
2100303015 is a wasteful number, since it uses less digits than its factorization.
2100303015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3427.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 2100303015 is about 45829.0629950035. The cubic root of 2100303015 is about 1280.6407548341.
Adding to 2100303015 its reverse (5103030012), we get a palindrome (7203333027).
The spelling of 2100303015 in words is "two billion, one hundred million, three hundred three thousand, fifteen".
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