Base | Representation |
---|---|
bin | 111110100101011… |
… | …1100001110101111 |
3 | 12102100120002001211 |
4 | 1331022330032233 |
5 | 13300101121033 |
6 | 544214415251 |
7 | 103016606464 |
oct | 17512741657 |
9 | 5370502054 |
10 | 2100020143 |
11 | 988452241 |
12 | 4a7361527 |
13 | 2760c7090 |
14 | 15cc9366b |
15 | c456d2cd |
hex | 7d2bc3af |
2100020143 has 8 divisors (see below), whose sum is σ = 2265001200. Its totient is φ = 1935530688.
The previous prime is 2100020141. The next prime is 2100020161. The reversal of 2100020143 is 3410200012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2100020143 - 21 = 2100020141 is a prime.
It is a super-3 number, since 3×21000201433 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100020141) 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, 113998 + ... + 131131.
It is an arithmetic number, because the mean of its divisors is an integer number (283125150).
Almost surely, 22100020143 is an apocalyptic number.
2100020143 is a deficient number, since it is larger than the sum of its proper divisors (164981057).
2100020143 is a wasteful number, since it uses less digits than its factorization.
2100020143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245801.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2100020143 is about 45825.9767271795. The cubic root of 2100020143 is about 1280.5832593722.
Adding to 2100020143 its reverse (3410200012), we get a palindrome (5510220155).
The spelling of 2100020143 in words is "two billion, one hundred million, twenty thousand, one hundred forty-three".
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