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200010010000 = 245420001001
BaseRepresentation
bin1011101001000110000…
…1101000110110010000
3201010021001010020122011
42322101201220312100
511234110030310000
6231514444352304
720310302014453
oct2722141506620
9633231106564
10200010010000
1177907488929
123291ab45694
1315b26415458
14997556949a
1553092a02ba
hex2e91868d90

200010010000 has 50 divisors (see below), whose sum is σ = 484244259422. Its totient is φ = 80004000000.

The previous prime is 200010009977. The next prime is 200010010009. The reversal of 200010010000 is 10010002.

It can be written as a sum of positive squares in 5 ways, for example, as 32211634576 + 167798375424 = 179476^2 + 409632^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (4).

It is not an unprimeable number, because it can be changed into a prime (200010010009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9990501 + ... + 10010500.

Almost surely, 2200010010000 is an apocalyptic number.

200010010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200010010000 is an abundant number, since it is smaller than the sum of its proper divisors (284234249422).

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

200010010000 is an equidigital number, since it uses as much as digits as its factorization.

200010010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001029 (or 20001008 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 200010010000 its reverse (10010002), we get a palindrome (200020020002).

The spelling of 200010010000 in words is "two hundred billion, ten million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 20001001 40002002 80004004 100005005 160008008 200010010 320016016 400020020 500025025 800040040 1000050050 1600080080 2000100100 2500125125 4000200200 5000250250 8000400400 10000500500 12500625625 20001001000 25001251250 40002002000 50002502500 100005005000 200010010000