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11301301220 = 2251197653811
BaseRepresentation
bin10101000011001110…
…00010101111100100
31002011121101120210212
422201213002233210
5141121113114340
65105230034552
7550025322026
oct124147025744
932147346725
1011301301220
11487a320970
122234948a58
1310b148c7b1
14792d02016
15462258a65
hex2a19c2be4

11301301220 has 96 divisors (see below), whose sum is σ = 26229522816. Its totient is φ = 4055961600.

The previous prime is 11301301217. The next prime is 11301301223. The reversal of 11301301220 is 2210310311.

It is an interprime number because it is at equal distance from previous prime (11301301217) and next prime (11301301223).

It is a junction number, because it is equal to n+sod(n) for n = 11301301195 and 11301301204.

It is not an unprimeable number, because it can be changed into a prime (11301301223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13934615 + ... + 13935425.

It is an arithmetic number, because the mean of its divisors is an integer number (273224196).

Almost surely, 211301301220 is an apocalyptic number.

11301301220 is a gapful number since it is divisible by the number (10) 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 11301301220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13114761408).

11301301220 is an abundant number, since it is smaller than the sum of its proper divisors (14928221596).

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

11301301220 is a wasteful number, since it uses less digits than its factorization.

11301301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11301301220 its reverse (2210310311), we get a palindrome (13511611531).

Subtracting from 11301301220 its reverse (2210310311), we obtain a palindrome (9090990909).

The spelling of 11301301220 in words is "eleven billion, three hundred one million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 97 110 194 220 388 485 653 811 970 1067 1306 1622 1940 2134 2612 3244 3265 4055 4268 5335 6530 7183 8110 8921 10670 13060 14366 16220 17842 21340 28732 35684 35915 44605 63341 71830 78667 89210 126682 143660 157334 178420 253364 314668 316705 393335 529583 633410 696751 786670 865337 1059166 1266820 1393502 1573340 1730674 2118332 2647915 2787004 3461348 3483755 4326685 5295830 5825413 6967510 8653370 10591660 11650826 13935020 17306740 23301652 29127065 51369551 58254130 102739102 116508260 205478204 256847755 513695510 565065061 1027391020 1130130122 2260260244 2825325305 5650650610 11301301220