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2100232132200 = 23325217371855001
BaseRepresentation
bin11110100011111111100…
…101110001011001101000
321102210001210021201201200
4132203333211301121220
5233402233411212300
64244455555244200
7304510465366566
oct36437745613150
97383053251650
102100232132200
1173a781316284
1229b0575a9660
1312308819b737
147391a698a36
15399727bc200
hex1e8ff971668

2100232132200 has 288 divisors, whose sum is σ = 7670025169560. Its totient is φ = 512870400000.

The previous prime is 2100232132123. The next prime is 2100232132223. The reversal of 2100232132200 is 22312320012.

2100232132200 is a `hidden beast` number, since 2 + 100 + 232 + 132 + 200 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 259005673476 + 1841226458724 = 508926^2 + 1356918^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 204700 + ... + 2059700.

Almost surely, 22100232132200 is an apocalyptic number.

2100232132200 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 2100232132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3835012584780).

2100232132200 is an abundant number, since it is smaller than the sum of its proper divisors (5569793037360).

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

2100232132200 is a wasteful number, since it uses less digits than its factorization.

2100232132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855077 (or 1855065 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2100232132200 its reverse (22312320012), we get a palindrome (2122544452212).

The spelling of 2100232132200 in words is "two trillion, one hundred billion, two hundred thirty-two million, one hundred thirty-two thousand, two hundred".