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200220721872 = 24313930009101
BaseRepresentation
bin1011101001111000010…
…1011100001011010000
3201010210201121111222120
42322132011130023100
511240023001044442
6231551412534240
720315441025003
oct2723605341320
9633721544876
10200220721872
1177a05417876
1232979621380
1315b5ac80332
14999553953a
15531ca234ec
hex2e9e15c2d0

200220721872 has 40 divisors (see below), whose sum is σ = 520958010720. Its totient is φ = 66260092800.

The previous prime is 200220721817. The next prime is 200220721903. The reversal of 200220721872 is 278127022002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14997879 + ... + 15011222.

It is an arithmetic number, because the mean of its divisors is an integer number (13023950268).

Almost surely, 2200220721872 is an apocalyptic number.

It is an amenable number.

200220721872 is an abundant number, since it is smaller than the sum of its proper divisors (320737288848).

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

200220721872 is a wasteful number, since it uses less digits than its factorization.

200220721872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30009251 (or 30009245 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

Adding to 200220721872 its reverse (278127022002), we get a palindrome (478347743874).

The spelling of 200220721872 in words is "two hundred billion, two hundred twenty million, seven hundred twenty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 139 278 417 556 834 1112 1668 2224 3336 6672 30009101 60018202 90027303 120036404 180054606 240072808 360109212 480145616 720218424 1440436848 4171265039 8342530078 12513795117 16685060156 25027590234 33370120312 50055180468 66740240624 100110360936 200220721872