Base | Representation |
---|---|
bin | 11110100011111010010… |
… | …010101001000011100100 |
3 | 21102202211121000002111012 |
4 | 132203322102221003210 |
5 | 233402043131344304 |
6 | 4244443102001352 |
7 | 304505335632164 |
oct | 36437222510344 |
9 | 7382747002435 |
10 | 2100143231204 |
11 | 73a736115687 |
12 | 29b031876258 |
13 | 123072942ab5 |
14 | 7390c9565a4 |
15 | 39969aab16e |
hex | 1e8fa4a90e4 |
2100143231204 has 12 divisors (see below), whose sum is σ = 3675261015804. Its totient is φ = 1050068655264.
The previous prime is 2100143231201. The next prime is 2100143231297. The reversal of 2100143231204 is 4021323410012.
It can be written as a sum of positive squares in 2 ways, for example, as 155987082304 + 1944156148900 = 394952^2 + 1394330^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2100143231204.
It is not an unprimeable number, because it can be changed into a prime (2100143231201) 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, 1912454 + ... + 2803170.
It is an arithmetic number, because the mean of its divisors is an integer number (306271751317).
Almost surely, 22100143231204 is an apocalyptic number.
It is an amenable number.
2100143231204 is a deficient number, since it is larger than the sum of its proper divisors (1575117784600).
2100143231204 is a wasteful number, since it uses less digits than its factorization.
2100143231204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1480174 (or 1480172 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 2100143231204 its reverse (4021323410012), we get a palindrome (6121466641216).
The spelling of 2100143231204 in words is "two trillion, one hundred billion, one hundred forty-three million, two hundred thirty-one thousand, two hundred four".
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