Base | Representation |
---|---|
bin | 111110100110000… |
… | …1101010010001111 |
3 | 12102101011221111010 |
4 | 1331030031102033 |
5 | 13300142232033 |
6 | 544225500303 |
7 | 103022461431 |
oct | 17514152217 |
9 | 5371157433 |
10 | 2100352143 |
11 | 98865971a |
12 | 4a74a1693 |
13 | 2761b2226 |
14 | 15cd3c651 |
15 | c45d6863 |
hex | 7d30d48f |
2100352143 has 4 divisors (see below), whose sum is σ = 2800469528. Its totient is φ = 1400234760.
The previous prime is 2100352139. The next prime is 2100352253. The reversal of 2100352143 is 3412530012.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2100352143 - 22 = 2100352139 is a prime.
It is a super-2 number, since 2×21003521432 = 8822958249209384898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100352643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350058688 + ... + 350058693.
It is an arithmetic number, because the mean of its divisors is an integer number (700117382).
Almost surely, 22100352143 is an apocalyptic number.
2100352143 is a deficient number, since it is larger than the sum of its proper divisors (700117385).
2100352143 is an equidigital number, since it uses as much as digits as its factorization.
2100352143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 700117384.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2100352143 is about 45829.5989836263. The cubic root of 2100352143 is about 1280.6507398740.
Adding to 2100352143 its reverse (3412530012), we get a palindrome (5512882155).
The spelling of 2100352143 in words is "two billion, one hundred million, three hundred fifty-two thousand, one hundred forty-three".
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