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2100143231204 = 22589453890717
BaseRepresentation
bin11110100011111010010…
…010101001000011100100
321102202211121000002111012
4132203322102221003210
5233402043131344304
64244443102001352
7304505335632164
oct36437222510344
97382747002435
102100143231204
1173a736115687
1229b031876258
13123072942ab5
147390c9565a4
1539969aab16e
hex1e8fa4a90e4

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".

Divisors: 1 2 4 589453 890717 1178906 1781434 2357812 3562868 525035807801 1050071615602 2100143231204