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2103144212 = 221340445081
BaseRepresentation
bin111110101011011…
…0110111100010100
312102120102210111002
41331112312330110
513301401103322
6544405402432
7103055300531
oct17526667424
95376383432
102103144212
1198a196414
124a8409418
1327694c040
1415d467d88
15c4988c92
hex7d5b6f14

2103144212 has 12 divisors (see below), whose sum is σ = 3963618036. Its totient is φ = 970681920.

The previous prime is 2103144193. The next prime is 2103144217. The reversal of 2103144212 is 2124413012.

It can be written as a sum of positive squares in 2 ways, for example, as 1230887056 + 872257156 = 35084^2 + 29534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103144217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20222489 + ... + 20222592.

It is an arithmetic number, because the mean of its divisors is an integer number (330301503).

Almost surely, 22103144212 is an apocalyptic number.

It is an amenable number.

2103144212 is a deficient number, since it is larger than the sum of its proper divisors (1860473824).

2103144212 is a wasteful number, since it uses less digits than its factorization.

2103144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40445098 (or 40445096 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2103144212 is about 45860.0502834439. The cubic root of 2103144212 is about 1281.2179593590.

Adding to 2103144212 its reverse (2124413012), we get a palindrome (4227557224).

The spelling of 2103144212 in words is "two billion, one hundred three million, one hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 40445081 80890162 161780324 525786053 1051572106 2103144212