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100310000220 = 22325557277779
BaseRepresentation
bin101110101101011110…
…0010010001001011100
3100120220202221222121100
41131122330102021130
53120413330001340
6114025355233100
710150526635143
oct1353274221134
9316822858540
10100310000220
11395a541a931
1217535748790
1395c7acc221
144bd82b875a
152921571830
hex175af1225c

100310000220 has 36 divisors (see below), whose sum is σ = 304273667880. Its totient is φ = 26749333344.

The previous prime is 100310000209. The next prime is 100310000249. The reversal of 100310000220 is 22000013001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1003100002202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278638710 + ... + 278639069.

It is an arithmetic number, because the mean of its divisors is an integer number (8452046330).

Almost surely, 2100310000220 is an apocalyptic number.

100310000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100310000220 is an abundant number, since it is smaller than the sum of its proper divisors (203963667660).

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

100310000220 is a wasteful number, since it uses less digits than its factorization.

100310000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557277794 (or 557277789 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 100310000220 its reverse (22000013001), we get a palindrome (122310013221).

The spelling of 100310000220 in words is "one hundred billion, three hundred ten million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 557277779 1114555558 1671833337 2229111116 2786388895 3343666674 5015500011 5572777790 6687333348 8359166685 10031000022 11145555580 16718333370 20062000044 25077500055 33436666740 50155000110 100310000220