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204371455080 = 233513378814019
BaseRepresentation
bin1011111001010101111…
…1001110110001101000
3201112111222221121112010
42332111133032301220
511322023043030310
6233515325315520
720523341464002
oct2762537166150
9645458847463
10204371455080
11797453a40a1
1233737705ba0
131636cb995a0
149c6a8c9372
1554b2120320
hex2f957cec68

204371455080 has 256 divisors, whose sum is σ = 679060972800. Its totient is φ = 48879452160.

The previous prime is 204371455069. The next prime is 204371455081. The reversal of 204371455080 is 80554173402.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (204371455081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50849311 + ... + 50853329.

It is an arithmetic number, because the mean of its divisors is an integer number (2652581925).

Almost surely, 2204371455080 is an apocalyptic number.

204371455080 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 204371455080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339530486400).

204371455080 is an abundant number, since it is smaller than the sum of its proper divisors (474689517720).

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

204371455080 is a wasteful number, since it uses less digits than its factorization.

204371455080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4960 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 204371455080 in words is "two hundred four billion, three hundred seventy-one million, four hundred fifty-five thousand, eighty".