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204308382720 = 210351317139433
BaseRepresentation
bin1011111001000110111…
…0101000010000000000
3201112100121021012111210
42332101232220100000
511321410421221340
6233505153410120
720521644412401
oct2762156502000
9645317235453
10204308382720
1179712834982
123371a569940
131635cab5070
149c6238b9a8
1554ab812180
hex2f91ba8400

204308382720 has 704 divisors, whose sum is σ = 752224354560. Its totient is φ = 46883930112.

The previous prime is 204308382713. The next prime is 204308382769. The reversal of 204308382720 is 27283803402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471843624 + ... + 471844056.

Almost surely, 2204308382720 is an apocalyptic number.

204308382720 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 204308382720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376112177280).

204308382720 is an abundant number, since it is smaller than the sum of its proper divisors (547915971840).

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

204308382720 is a wasteful number, since it uses less digits than its factorization.

204308382720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 204308382720 in words is "two hundred four billion, three hundred eight million, three hundred eighty-two thousand, seven hundred twenty".