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11313203100 = 2235244578461
BaseRepresentation
bin10101000100101000…
…11100011110011100
31002012102210021010020
422202110130132130
5141132134444400
65110333112140
7550231432263
oct124224343634
932172707106
1011313203100
11488600aa31
122238928650
1310b3a98c24
1479471d5da
1546330a2a0
hex2a251c79c

11313203100 has 72 divisors (see below), whose sum is σ = 32744081328. Its totient is φ = 3015820800.

The previous prime is 11313203081. The next prime is 11313203107. The reversal of 11313203100 is 130231311.

It is a super-2 number, since 2×113132031002 (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 11313203100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313203107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332870 + ... + 1341330.

Almost surely, 211313203100 is an apocalyptic number.

11313203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313203100 is an abundant number, since it is smaller than the sum of its proper divisors (21430878228).

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

11313203100 is a wasteful number, since it uses less digits than its factorization.

11313203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935 (or 12928 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11313203100 its reverse (130231311), we get a palindrome (11443434411).

The spelling of 11313203100 in words is "eleven billion, three hundred thirteen million, two hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 4457 8461 8914 13371 16922 17828 22285 25383 26742 33844 42305 44570 50766 53484 66855 84610 89140 101532 111425 126915 133710 169220 211525 222850 253830 267420 334275 423050 445700 507660 634575 668550 846100 1269150 1337100 2538300 37710677 75421354 113132031 150842708 188553385 226264062 377106770 452528124 565660155 754213540 942766925 1131320310 1885533850 2262640620 2828300775 3771067700 5656601550 11313203100