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2103020320 = 25519811853
BaseRepresentation
bin111110101011001…
…1000101100100000
312102120012111112111
41331112120230200
513301333122240
6544403005104
7103054243402
oct17526305440
95376174474
102103020320
1198a111325
124a8369794
1327690782b
1415d434b72
15c49621ea
hex7d598b20

2103020320 has 96 divisors (see below), whose sum is σ = 5242466880. Its totient is φ = 795018240.

The previous prime is 2103020299. The next prime is 2103020327. The reversal of 2103020320 is 230203012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103020320.

It is not an unprimeable number, because it can be changed into a prime (2103020327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465014 + ... + 2465866.

It is an arithmetic number, because the mean of its divisors is an integer number (54609030).

Almost surely, 22103020320 is an apocalyptic number.

2103020320 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 2103020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2621233440).

2103020320 is an abundant number, since it is smaller than the sum of its proper divisors (3139446560).

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

2103020320 is a wasteful number, since it uses less digits than its factorization.

2103020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2103020320 is about 45858.6995018393. The cubic root of 2103020320 is about 1281.1928008730.

Adding to 2103020320 its reverse (230203012), we get a palindrome (2333223332).

The spelling of 2103020320 in words is "two billion, one hundred three million, twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 811 853 1520 1622 1706 3040 3244 3412 4055 4265 6488 6824 8110 8530 12976 13648 15409 16207 16220 17060 25952 27296 30818 32414 32440 34120 61636 64828 64880 68240 77045 81035 123272 129656 129760 136480 154090 162070 246544 259312 308180 324140 493088 518624 616360 648280 691783 1232720 1296560 1383566 2465440 2593120 2767132 3458915 5534264 6917830 11068528 13143877 13835660 22137056 26287754 27671320 52575508 55342640 65719385 105151016 110685280 131438770 210302032 262877540 420604064 525755080 1051510160 2103020320