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204243333040 = 24515491648187
BaseRepresentation
bin1011111000110111011…
…0011110111110110000
3201112012001212100010101
42332031312132332300
511321242243124130
6233454511242144
720520224454235
oct2761566367660
9645161770111
10204243333040
117968a04510a
1233700819354
131634c48a826
149c5789778c
1554a5c631ca
hex2f8dd9efb0

204243333040 has 40 divisors (see below), whose sum is σ = 475172600400. Its totient is φ = 81644541696.

The previous prime is 204243333031. The next prime is 204243333163. The reversal of 204243333040 is 40333342402.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700174 + ... + 948013.

It is an arithmetic number, because the mean of its divisors is an integer number (11879315010).

Almost surely, 2204243333040 is an apocalyptic number.

204243333040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204243333040 is an abundant number, since it is smaller than the sum of its proper divisors (270929267360).

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

204243333040 is a wasteful number, since it uses less digits than its factorization.

204243333040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649749 (or 1649743 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 204243333040 its reverse (40333342402), we get a palindrome (244576675442).

The spelling of 204243333040 in words is "two hundred four billion, two hundred forty-three million, three hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1549 3098 6196 7745 12392 15490 24784 30980 61960 123920 1648187 3296374 6592748 8240935 13185496 16481870 26370992 32963740 65927480 131854960 2553041663 5106083326 10212166652 12765208315 20424333304 25530416630 40848666608 51060833260 102121666520 204243333040