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10001201200 = 245283301241
BaseRepresentation
bin10010101000001111…
…00011100000110000
3221211000000122212021
421110013203200300
5130440301414300
64332224241224
7502560543664
oct112407434060
927730018767
1010001201200
114272465541
121b31470214
13c3501b143
146ac3968a4
153d8048d1a
hex2541e3830

10001201200 has 60 divisors (see below), whose sum is σ = 24317459208. Its totient is φ = 3952268800.

The previous prime is 10001201191. The next prime is 10001201207. The reversal of 10001201200 is 210210001.

It is not an unprimeable number, because it can be changed into a prime (10001201207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117421 + ... + 183820.

Almost surely, 210001201200 is an apocalyptic number.

10001201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001201200 is an abundant number, since it is smaller than the sum of its proper divisors (14316258008).

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

10001201200 is a wasteful number, since it uses less digits than its factorization.

10001201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301342 (or 301331 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10001201200 its reverse (210210001), we get a palindrome (10211411201).

The spelling of 10001201200 in words is "ten billion, one million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 166 200 332 400 415 664 830 1328 1660 2075 3320 4150 6640 8300 16600 33200 301241 602482 1204964 1506205 2409928 3012410 4819856 6024820 7531025 12049640 15062050 24099280 25003003 30124100 50006006 60248200 100012012 120496400 125015015 200024024 250030030 400048048 500060060 625075075 1000120120 1250150150 2000240240 2500300300 5000600600 10001201200