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21022111130300 = 22527128923298361
BaseRepresentation
bin1001100011110100101110…
…11101110110001010111100
32202102200202001212201201122
410301322113131312022330
510223411240422132200
6112413231410530112
74266540340206440
oct461722735661274
982380661781648
1021022111130300
116775477762435
122436286596938
13b964b8441217
145296930d2820
15266c7787d385
hex131e977762bc

21022111130300 has 72 divisors (see below), whose sum is σ = 52175283797280. Its totient is φ = 7201989043200.

The previous prime is 21022111130213. The next prime is 21022111130303. The reversal of 21022111130300 is 303111122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022111130303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10746881 + ... + 12551480.

Almost surely, 221022111130300 is an apocalyptic number.

21022111130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022111130300 is an abundant number, since it is smaller than the sum of its proper divisors (31153172666980).

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

21022111130300 is a wasteful number, since it uses less digits than its factorization.

21022111130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23299671 (or 23299664 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21022111130300 its reverse (303111122012), we get a palindrome (21325222252312).

The spelling of 21022111130300 in words is "twenty-one trillion, twenty-two billion, one hundred eleven million, one hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 1289 2578 5156 6445 9023 12890 18046 25780 32225 36092 45115 64450 90230 128900 180460 225575 451150 902300 23298361 46596722 93193444 116491805 163088527 232983610 326177054 465967220 582459025 652354108 815442635 1164918050 1630885270 2329836100 3261770540 4077213175 8154426350 16308852700 30031587329 60063174658 120126349316 150157936645 210221111303 300315873290 420442222606 600631746580 750789683225 840884445212 1051105556515 1501579366450 2102211113030 3003158732900 4204422226060 5255527782575 10511055565150 21022111130300