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10001100220 = 2251607311173
BaseRepresentation
bin10010101000001110…
…01010110110111100
3221210222211112100021
421110013022312330
5130440240201340
64332222141524
7502556643406
oct112407126674
927728745307
1010001100220
1142723a6691
121b314218a4
13c34cb41a7
146ac36bb76
153d8028e4a
hex2541cadbc

10001100220 has 24 divisors (see below), whose sum is σ = 21015447264. Its totient is φ = 3997937856.

The previous prime is 10001100199. The next prime is 10001100223. The reversal of 10001100220 is 2200110001.

10001100220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100011002202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123447 + ... + 187726.

It is an arithmetic number, because the mean of its divisors is an integer number (875643636).

Almost surely, 210001100220 is an apocalyptic number.

10001100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001100220 is an abundant number, since it is smaller than the sum of its proper divisors (11014347044).

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

10001100220 is a wasteful number, since it uses less digits than its factorization.

10001100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312789 (or 312787 counting only the distinct ones).

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

Adding to 10001100220 its reverse (2200110001), we get a palindrome (12201210221).

The spelling of 10001100220 in words is "ten billion, one million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1607 3214 6428 8035 16070 32140 311173 622346 1244692 1555865 3111730 6223460 500055011 1000110022 2000220044 2500275055 5000550110 10001100220