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200110110221 = 7536718774289
BaseRepresentation
bin1011101001011101111…
…1011111011000001101
3201010112000110212022202
42322113133133120031
511234311142011341
6231532422051245
720312625605030
oct2722737373015
9633460425282
10200110110221
1177958a3868a
1232948579b25
1315b41092758
149984985017
155312e7479b
hex2e977df60d

200110110221 has 32 divisors (see below), whose sum is σ = 236671269120. Its totient is φ = 165647978496.

The previous prime is 200110110191. The next prime is 200110110281. The reversal of 200110110221 is 122011011002.

It is not a de Polignac number, because 200110110221 - 222 = 200105915917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200110110281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46654445 + ... + 46658733.

It is an arithmetic number, because the mean of its divisors is an integer number (7395977160).

Almost surely, 2200110110221 is an apocalyptic number.

It is an amenable number.

200110110221 is a deficient number, since it is larger than the sum of its proper divisors (36561158899).

200110110221 is a wasteful number, since it uses less digits than its factorization.

200110110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200110110221 its reverse (122011011002), we get a palindrome (322121121223).

The spelling of 200110110221 in words is "two hundred billion, one hundred ten million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 53 67 371 469 1877 3551 4289 13139 24857 30023 99481 125759 227317 287363 696367 880313 1591219 2011541 6665227 8050453 15230239 46656589 56353171 106611673 426674009 539380351 2986718063 3775662457 28587158603 200110110221