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1102412220 = 2235713201907
BaseRepresentation
bin100000110110101…
…0111100110111100
32211211101100021020
41001231113212330
54224204142340
6301220304140
736214230540
oct10155274674
92754340236
101102412220
11516312688
12269242050
13147516930
14a65a9a20
1566bb09d0
hex41b579bc

1102412220 has 96 divisors (see below), whose sum is σ = 3799100928. Its totient is φ = 232595712.

The previous prime is 1102412203. The next prime is 1102412221. The reversal of 1102412220 is 222142011.

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 1102412220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102412221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95494 + ... + 106413.

It is an arithmetic number, because the mean of its divisors is an integer number (39573968).

Almost surely, 21102412220 is an apocalyptic number.

1102412220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102412220 is an abundant number, since it is smaller than the sum of its proper divisors (2696688708).

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

1102412220 is a wasteful number, since it uses less digits than its factorization.

1102412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201939 (or 201937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1102412220 is about 33202.5935733942. The cubic root of 1102412220 is about 1033.0341362931.

Adding to 1102412220 its reverse (222142011), we get a palindrome (1324554231).

The spelling of 1102412220 in words is "one billion, one hundred two million, four hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 201907 403814 605721 807628 1009535 1211442 1413349 2019070 2422884 2624791 2826698 3028605 4038140 4240047 5249582 5653396 6057210 7066745 7874373 8480094 10499164 12114420 13123955 14133490 15748746 16960188 18373537 21200235 26247910 28266980 31497492 36747074 39371865 42400470 52495820 55120611 73494148 78743730 84800940 91867685 110241222 157487460 183735370 220482444 275603055 367470740 551206110 1102412220