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3111213320100 = 2232527014931389
BaseRepresentation
bin101101010001100010110…
…000111100011110100100
3102000102120210202022002200
4231101202300330132210
5401433231102220400
610341134402534500
7440530523610654
oct55214260743644
912012523668080
103111213320100
11a9a5048a0176
12422b83067430
131975035060a2
14aa8252b6364
1555de3108b00
hex2d462c3c7a4

3111213320100 has 108 divisors (see below), whose sum is σ = 9765838735380. Its totient is φ = 828473184000.

The previous prime is 3111213320053. The next prime is 3111213320113. The reversal of 3111213320100 is 10233121113.

3111213320100 is a `hidden beast` number, since 31 + 1 + 1 + 213 + 320 + 100 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 209866604544 + 2901346715556 = 458112^2 + 1703334^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1834795 + ... + 3096594.

It is an arithmetic number, because the mean of its divisors is an integer number (90424432735).

Almost surely, 23111213320100 is an apocalyptic number.

3111213320100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3111213320100 is an abundant number, since it is smaller than the sum of its proper divisors (6654625415280).

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

3111213320100 is a wasteful number, since it uses less digits than its factorization.

3111213320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932110 (or 4932100 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3111213320100 its reverse (10233121113), we get a palindrome (3121446441213).

The spelling of 3111213320100 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, three hundred twenty thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 701 900 1402 2103 2804 3505 4206 6309 7010 8412 10515 12618 14020 17525 21030 25236 31545 35050 42060 52575 63090 70100 105150 126180 157725 210300 315450 630900 4931389 9862778 14794167 19725556 24656945 29588334 44382501 49313890 59176668 73970835 88765002 98627780 123284725 147941670 177530004 221912505 246569450 295883340 369854175 443825010 493138900 739708350 887650020 1109562525 1479416700 2219125050 3456903689 4438250100 6913807378 10370711067 13827614756 17284518445 20741422134 31112133201 34569036890 41482844268 51853555335 62224266402 69138073780 86422592225 103707110670 124448532804 155560666005 172845184450 207414221340 259267776675 311121332010 345690368900 518535553350 622242664020 777803330025 1037071106700 1555606660050 3111213320100