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20110310200 = 2352100551551
BaseRepresentation
bin10010101110101010…
…101111101100111000
31220220112002121101201
4102232222233230320
5312141214411300
613123305423544
71311231546661
oct225652575470
956815077351
1020110310200
11858a822782
123a92a9abb4
131b864bb246
14d8abdc368
157ca7aa66a
hex4aeaafb38

20110310200 has 24 divisors (see below), whose sum is σ = 46756471680. Its totient is φ = 8044124000.

The previous prime is 20110310177. The next prime is 20110310251. The reversal of 20110310200 is 201301102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50275576 + ... + 50275975.

It is an arithmetic number, because the mean of its divisors is an integer number (1948186320).

Almost surely, 220110310200 is an apocalyptic number.

20110310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110310200 is an abundant number, since it is smaller than the sum of its proper divisors (26646161480).

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

20110310200 is a wasteful number, since it uses less digits than its factorization.

20110310200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100551567 (or 100551558 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20110310200 its reverse (201301102), we get a palindrome (20311611302).

The spelling of 20110310200 in words is "twenty billion, one hundred ten million, three hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 100551551 201103102 402206204 502757755 804412408 1005515510 2011031020 2513788775 4022062040 5027577550 10055155100 20110310200