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11031004140 = 22351343328891
BaseRepresentation
bin10100100010111111…
…11100001111101100
31001110202210001220220
422101133330033230
5140042414113030
65022332411340
7540233662632
oct122137741754
931422701826
1011031004140
114750794752
12217a316b50
13106a4916b0
14769061352
15448665a10
hex2917fc3ec

11031004140 has 96 divisors (see below), whose sum is σ = 34036375296. Its totient is φ = 2652168960.

The previous prime is 11031004123. The next prime is 11031004141. The reversal of 11031004140 is 4140013011.

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

It is not an unprimeable number, because it can be changed into a prime (11031004141) 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, 130906 + ... + 197985.

It is an arithmetic number, because the mean of its divisors is an integer number (354545576).

Almost surely, 211031004140 is an apocalyptic number.

11031004140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031004140 is an abundant number, since it is smaller than the sum of its proper divisors (23005371156).

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

11031004140 is a wasteful number, since it uses less digits than its factorization.

11031004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328959 (or 328957 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11031004140 its reverse (4140013011), we get a palindrome (15171017151).

The spelling of 11031004140 in words is "eleven billion, thirty-one million, four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 43 52 60 65 78 86 129 130 156 172 195 215 258 260 390 430 516 559 645 780 860 1118 1290 1677 2236 2580 2795 3354 5590 6708 8385 11180 16770 33540 328891 657782 986673 1315564 1644455 1973346 3288910 3946692 4275583 4933365 6577820 8551166 9866730 12826749 14142313 17102332 19733460 21377915 25653498 28284626 42426939 42755830 51306996 56569252 64133745 70711565 84853878 85511660 128267490 141423130 169707756 183850069 212134695 256534980 282846260 367700138 424269390 551550207 735400276 848538780 919250345 1103100414 1838500690 2206200828 2757751035 3677001380 5515502070 11031004140