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2103000320 = 2853152999
BaseRepresentation
bin111110101011001…
…0011110100000000
312102120011111002202
41331112103310000
513301332002240
6544402332332
7103054131161
oct17526236400
95376144082
102103000320
1198a0a82a3
124a835a0a8
132768cb6b5
1415d42b768
15c495b315
hex7d593d00

2103000320 has 72 divisors (see below), whose sum is σ = 5199936000. Its totient is φ = 814049280.

The previous prime is 2103000311. The next prime is 2103000323. The reversal of 2103000320 is 230003012.

It is a super-2 number, since 2×21030003202 = 8845220691840204800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103000323) 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, 13181 + ... + 66179.

Almost surely, 22103000320 is an apocalyptic number.

2103000320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599968000).

2103000320 is an abundant number, since it is smaller than the sum of its proper divisors (3096935680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103000320 is an equidigital number, since it uses as much as digits as its factorization.

2103000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53051 (or 53037 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2103000320 is about 45858.4814401873. The cubic root of 2103000320 is about 1281.1887394228.

Adding to 2103000320 its reverse (230003012), we get a palindrome (2333003332).

The spelling of 2103000320 in words is "two billion, one hundred three million, three hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 256 310 320 496 620 640 992 1240 1280 1984 2480 3968 4960 7936 9920 19840 39680 52999 105998 211996 264995 423992 529990 847984 1059980 1642969 1695968 2119960 3285938 3391936 4239920 6571876 6783872 8214845 8479840 13143752 13567744 16429690 16959680 26287504 32859380 33919360 52575008 65718760 67838720 105150016 131437520 210300032 262875040 420600064 525750080 1051500160 2103000320