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2100200200 = 235271500143
BaseRepresentation
bin111110100101110…
…1000001100001000
312102100220020001121
41331023220030020
513300122401300
6544222325024
7103021256440
oct17513501410
95370806047
102100200200
1198856554a
124a7429774
1327615b017
1415ccdd120
15c45a681a
hex7d2e8308

2100200200 has 48 divisors (see below), whose sum is σ = 5580535680. Its totient is φ = 720068160.

The previous prime is 2100200197. The next prime is 2100200231. The reversal of 2100200200 is 20020012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 748672 + ... + 751471.

It is an arithmetic number, because the mean of its divisors is an integer number (116261160).

Almost surely, 22100200200 is an apocalyptic number.

2100200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100200200 is an abundant number, since it is smaller than the sum of its proper divisors (3480335480).

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

2100200200 is a wasteful number, since it uses less digits than its factorization.

2100200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500166 (or 1500157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2100200200 is about 45827.9412585815. The cubic root of 2100200200 is about 1280.6198576545.

Adding to 2100200200 its reverse (20020012), we get a palindrome (2120220212).

The spelling of 2100200200 in words is "two billion, one hundred million, two hundred thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 1500143 3000286 6000572 7500715 10501001 12001144 15001430 21002002 30002860 37503575 42004004 52505005 60005720 75007150 84008008 105010010 150014300 210020020 262525025 300028600 420040040 525050050 1050100100 2100200200