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200001203100 = 22325259263839
BaseRepresentation
bin1011101001000100000…
…0000010101110011100
3201010020102112210211200
42322101000002232130
511234100301444400
6231513531515500
720310134114406
oct2722100025634
9633212483750
10200001203100
11779025130a6
1232917bb8b90
1315b2465097a
149974315b76
155308610b00
hex2e91002b9c

200001203100 has 162 divisors, whose sum is σ = 637708038240. Its totient is φ = 52428872640.

The previous prime is 200001203099. The next prime is 200001203117. The reversal of 200001203100 is 1302100002.

It is a happy number.

It is a super-2 number, since 2×2000012031002 (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 polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 3100981 + ... + 3164819.

Almost surely, 2200001203100 is an apocalyptic number.

200001203100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200001203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318854019120).

200001203100 is an abundant number, since it is smaller than the sum of its proper divisors (437706835140).

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

200001203100 is a wasteful number, since it uses less digits than its factorization.

200001203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63977 (or 63908 counting only the distinct ones).

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

Adding to 200001203100 its reverse (1302100002), we get a palindrome (201303303102).

The spelling of 200001203100 in words is "two hundred billion, one million, two hundred three thousand, one hundred".