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2200000100 = 225222000001
BaseRepresentation
bin1000001100100001…
…0101011001100100
312200022200120210012
42003020111121210
514001200000400
61002145345352
7105342456314
oct20310253144
95608616705
102200000100
11a2992a701
12514938258
13290a3170c
1416c27b444
15cd21bd35
hex83215664

2200000100 has 18 divisors (see below), whose sum is σ = 4774000434. Its totient is φ = 880000000.

The previous prime is 2200000097. The next prime is 2200000109. The reversal of 2200000100 is 10000022.

It can be written as a sum of positive squares in 3 ways, for example, as 14884 + 2199985216 = 122^2 + 46904^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is not an unprimeable number, because it can be changed into a prime (2200000109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10999901 + ... + 11000100.

Almost surely, 22200000100 is an apocalyptic number.

2200000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200000100 is an abundant number, since it is smaller than the sum of its proper divisors (2574000334).

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

2200000100 is a wasteful number, since it uses less digits than its factorization.

2200000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000015 (or 22000008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 2200000100 is about 46904.1586642379. The cubic root of 2200000100 is about 1300.5914665573.

Adding to 2200000100 its reverse (10000022), we get a palindrome (2210000122).

The spelling of 2200000100 in words is "two billion, two hundred million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 22000001 44000002 88000004 110000005 220000010 440000020 550000025 1100000050 2200000100