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204430005424 = 2431509980831
BaseRepresentation
bin1011111001100011111…
…0100101010010110000
3201112200002010021111101
42332120332211102300
511322133040133144
6233525220254144
720524652242501
oct2763076452260
9645602107441
10204430005424
1179775454907
1233753241354
131637c059768
149c745aaba8
1554b73386d4
hex2f98fa54b0

204430005424 has 40 divisors (see below), whose sum is σ = 408945254400. Its totient is φ = 98897121600.

The previous prime is 204430005347. The next prime is 204430005427. The reversal of 204430005424 is 424500034402.

It is a junction number, because it is equal to n+sod(n) for n = 204430005392 and 204430005401.

It is not an unprimeable number, because it can be changed into a prime (204430005427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488689 + ... + 2569519.

It is an arithmetic number, because the mean of its divisors is an integer number (10223631360).

Almost surely, 2204430005424 is an apocalyptic number.

It is an amenable number.

204430005424 is an abundant number, since it is smaller than the sum of its proper divisors (204515248976).

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

204430005424 is a wasteful number, since it uses less digits than its factorization.

204430005424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85969 (or 85963 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 204430005424 its reverse (424500034402), we get a palindrome (628930039826).

The spelling of 204430005424 in words is "two hundred four billion, four hundred thirty million, five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 31 62 124 248 496 5099 10198 20396 40792 80831 81584 158069 161662 316138 323324 632276 646648 1264552 1293296 2505761 2529104 5011522 10023044 20046088 40092176 412157269 824314538 1648629076 3297258152 6594516304 12776875339 25553750678 51107501356 102215002712 204430005424