Base | Representation |
---|---|
bin | 111110100111010… |
… | …1110001111001011 |
3 | 12102102102102211011 |
4 | 1331032232033023 |
5 | 13300324331103 |
6 | 544251544351 |
7 | 103031205451 |
oct | 17516561713 |
9 | 5372372734 |
10 | 2101011403 |
11 | 988a69a67 |
12 | 4a775b0b7 |
13 | 27638331a |
14 | 15d0709d1 |
15 | c46b6d6d |
hex | 7d3ae3cb |
2101011403 has 4 divisors (see below), whose sum is σ = 2101868280. Its totient is φ = 2100154528.
The previous prime is 2101011389. The next prime is 2101011427. The reversal of 2101011403 is 3041101012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2101011403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2101011103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424750 + ... + 429667.
It is an arithmetic number, because the mean of its divisors is an integer number (525467070).
Almost surely, 22101011403 is an apocalyptic number.
2101011403 is a deficient number, since it is larger than the sum of its proper divisors (856877).
2101011403 is an equidigital number, since it uses as much as digits as its factorization.
2101011403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 856876.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 2101011403 is about 45836.7909326122. The cubic root of 2101011403 is about 1280.7847163742.
Adding to 2101011403 its reverse (3041101012), we get a palindrome (5142112415).
The spelling of 2101011403 in words is "two billion, one hundred one million, eleven thousand, four hundred three".
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