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1101230213200 = 2452131491421309
BaseRepresentation
bin10000000001100110011…
…011111000100001010000
310220021110121221001222121
4100001212123320201100
5121020304413310300
62201522001144024
7142363340236645
oct20014633704120
93807417831877
101101230213200
11395035823417
1215951392b014
137cacb91a790
143b42aa1ddcc
151d9a39a881a
hex100666f8850

1101230213200 has 120 divisors (see below), whose sum is σ = 2868345711000. Its totient is φ = 403878881280.

The previous prime is 1101230213189. The next prime is 1101230213227. The reversal of 1101230213200 is 23120321011.

It can be written as a sum of positive squares in 12 ways, for example, as 693915656256 + 407314556944 = 833016^2 + 638212^2 .

It is a super-4 number, since 4×11012302132004 (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64146 + ... + 1485454.

It is an arithmetic number, because the mean of its divisors is an integer number (23902880925).

Almost surely, 21101230213200 is an apocalyptic number.

1101230213200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101230213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434172855500).

1101230213200 is an abundant number, since it is smaller than the sum of its proper divisors (1767115497800).

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

1101230213200 is a wasteful number, since it uses less digits than its factorization.

1101230213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421489 (or 1421478 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1101230213200 its reverse (23120321011), we get a palindrome (1124350534211).

The spelling of 1101230213200 in words is "one trillion, one hundred one billion, two hundred thirty million, two hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 149 200 208 260 298 325 400 520 596 650 745 1040 1192 1300 1490 1937 2384 2600 2980 3725 3874 5200 5960 7450 7748 9685 11920 14900 15496 19370 29800 30992 38740 48425 59600 77480 96850 154960 193700 387400 774800 1421309 2842618 5685236 7106545 11370472 14213090 18477017 22740944 28426180 35532725 36954034 56852360 71065450 73908068 92385085 113704720 142130900 147816136 184770170 211775041 284261800 295632272 369540340 423550082 461925425 568523600 739080680 847100164 923850850 1058875205 1478161360 1694200328 1847701700 2117750410 2753075533 3388400656 3695403400 4235500820 5294376025 5506151066 7390806800 8471001640 10588752050 11012302132 13765377665 16942003280 21177504100 22024604264 27530755330 42355008200 44049208528 55061510660 68826888325 84710016400 110123021320 137653776650 220246042640 275307553300 550615106600 1101230213200