Search a number
-
+
11302301220 = 2235726910241
BaseRepresentation
bin10101000011010101…
…10110111000100100
31002011200021101112220
422201222312320210
5141121342114340
65105303312340
7550036655340
oct124152667044
932150241486
1011302301220
11487a944211
12223514b6b0
1310b174ca02
147930c2620
154623a4ed0
hex2a1ab6e24

11302301220 has 48 divisors (see below), whose sum is σ = 36167365248. Its totient is φ = 2583383040.

The previous prime is 11302301201. The next prime is 11302301243. The reversal of 11302301220 is 2210320311.

It is a super-2 number, since 2×113023012202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11302301220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13454701 + ... + 13455540.

It is an arithmetic number, because the mean of its divisors is an integer number (753486776).

Almost surely, 211302301220 is an apocalyptic number.

11302301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11302301220 is an abundant number, since it is smaller than the sum of its proper divisors (24865064028).

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

11302301220 is a wasteful number, since it uses less digits than its factorization.

11302301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26910260 (or 26910258 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11302301220 its reverse (2210320311), we get a palindrome (13512621531).

The spelling of 11302301220 in words is "eleven billion, three hundred two million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 26910241 53820482 80730723 107640964 134551205 161461446 188371687 269102410 322922892 376743374 403653615 538204820 565115061 753486748 807307230 941858435 1130230122 1614614460 1883716870 2260460244 2825575305 3767433740 5651150610 11302301220