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100220221100 = 22528911260699
BaseRepresentation
bin101110101010110010…
…1110011011010101100
3100120200112000201210202
41131111211303122230
53120222334033400
6114012431053032
710145356552346
oct1352545633254
9316615021722
10100220221100
113955977a50a
121750b671178
1395b232699c
144bca3c8296
15291873a4d5
hex17559736ac

100220221100 has 36 divisors (see below), whose sum is σ = 219921471000. Its totient is φ = 39637656960.

The previous prime is 100220221081. The next prime is 100220221103. The reversal of 100220221100 is 1122022001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100220221103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5621450 + ... + 5639249.

It is an arithmetic number, because the mean of its divisors is an integer number (6108929750).

Almost surely, 2100220221100 is an apocalyptic number.

100220221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220221100 is an abundant number, since it is smaller than the sum of its proper divisors (119701249900).

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

100220221100 is a wasteful number, since it uses less digits than its factorization.

100220221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260802 (or 11260795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100220221100 its reverse (1122022001), we get a palindrome (101342243101).

The spelling of 100220221100 in words is "one hundred billion, two hundred twenty million, two hundred twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 178 356 445 890 1780 2225 4450 8900 11260699 22521398 45042796 56303495 112606990 225213980 281517475 563034950 1002202211 1126069900 2004404422 4008808844 5011011055 10022022110 20044044220 25055055275 50110110550 100220221100