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18843052900 = 225272372532
BaseRepresentation
bin10001100011001000…
…100010101101100100
31210122012112021012011
4101203020202231210
5302042310143100
612353440004004
71234643210200
oct214310425544
953565467164
1018843052900
117a9a4595a1
12379a600604
131a13aa8759
14caa7a1b00
157543d6bba
hex463222b64

18843052900 has 243 divisors, whose sum is σ = 49825312929. Its totient is φ = 6167266560.

The previous prime is 18843052889. The next prime is 18843052939. The reversal of 18843052900 is 925034881.

The square root of 18843052900 is 137270.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 1094418724 + 17748634176 = 33082^2 + 133224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 355529274 + ... + 355529326.

Almost surely, 218843052900 is an apocalyptic number.

18843052900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18843052900 is the 137270-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18843052900

18843052900 is an abundant number, since it is smaller than the sum of its proper divisors (30982260029).

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

18843052900 is a wasteful number, since it uses less digits than its factorization.

18843052900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 18843052900 in words is "eighteen billion, eight hundred forty-three million, fifty-two thousand, nine hundred".