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2103120244 = 22975420413
BaseRepresentation
bin111110101011011…
…0001000101110100
312102120101120121101
41331112301011310
513301344321434
6544405055444
7103055140621
oct17526610564
95376346541
102103120244
1198a17a405
124a83b7584
13276941164
1415d45d348
15c4981b14
hex7d5b1174

2103120244 has 12 divisors (see below), whose sum is σ = 3718404004. Its totient is φ = 1040719104.

The previous prime is 2103120221. The next prime is 2103120247. The reversal of 2103120244 is 4420213012.

It can be written as a sum of positive squares in 2 ways, for example, as 793548900 + 1309571344 = 28170^2 + 36188^2 .

It is a super-2 number, since 2×21031202442 = 8846229521445239072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103120247) 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, 2709819 + ... + 2710594.

Almost surely, 22103120244 is an apocalyptic number.

It is an amenable number.

2103120244 is a deficient number, since it is larger than the sum of its proper divisors (1615283760).

2103120244 is a wasteful number, since it uses less digits than its factorization.

2103120244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420514 (or 5420512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2103120244 is about 45859.7889659340. The cubic root of 2103120244 is about 1281.2130923051.

Adding to 2103120244 its reverse (4420213012), we get a palindrome (6523333256).

The spelling of 2103120244 in words is "two billion, one hundred three million, one hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 4 97 194 388 5420413 10840826 21681652 525780061 1051560122 2103120244