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210123411243400 = 23527138893804943
BaseRepresentation
bin101111110001101100101011…
…010010010100000110001000
31000112222121020210220001010101
4233301230223102110012020
5210020130221234242100
62022521210145455144
762154626004150424
oct5761545322240610
91015877223801111
10210123411243400
1160a51924817106
121b6973a93414b4
139032725263085
1439c6055151b84
151945bd36b186a
hexbf1b2b494188

210123411243400 has 96 divisors (see below), whose sum is σ = 495545252716800. Its totient is φ = 82844241177600.

The previous prime is 210123411243373. The next prime is 210123411243413. The reversal of 210123411243400 is 4342114321012.

It is a happy 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, 53321329 + ... + 57126271.

It is an arithmetic number, because the mean of its divisors is an integer number (5161929715800).

Almost surely, 2210123411243400 is an apocalyptic number.

210123411243400 is a gapful number since it is divisible by the number (20) 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 210123411243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247772626358400).

210123411243400 is an abundant number, since it is smaller than the sum of its proper divisors (285421841473400).

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

210123411243400 is a wasteful number, since it uses less digits than its factorization.

210123411243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808919 (or 3808910 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 210123411243400 its reverse (4342114321012), we get a palindrome (214465525564412).

The spelling of 210123411243400 in words is "two hundred ten trillion, one hundred twenty-three billion, four hundred eleven million, two hundred forty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 142 200 284 355 568 710 1420 1775 2840 3550 3889 7100 7778 14200 15556 19445 31112 38890 77780 97225 155560 194450 276119 388900 552238 777800 1104476 1380595 2208952 2761190 3804943 5522380 6902975 7609886 11044760 13805950 15219772 19024715 27611900 30439544 38049430 55223800 76098860 95123575 152197720 190247150 270150953 380494300 540301906 760988600 1080603812 1350754765 2161207624 2701509530 5403019060 6753773825 10806038120 13507547650 14797423327 27015095300 29594846654 54030190600 59189693308 73987116635 118379386616 147974233270 295948466540 369935583175 591896933080 739871166350 1050617056217 1479742332700 2101234112434 2959484665400 4202468224868 5253085281085 8404936449736 10506170562170 21012341124340 26265426405425 42024682248680 52530852810850 105061705621700 210123411243400