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204830093439 = 33311409173683
BaseRepresentation
bin1011111011000011010…
…0110011000001111111
3201120200221221212002000
42332300310303001333
511323443000442224
6234033031433343
720540611032036
oct2766064630177
9646627855060
10204830093439
117996027a964
1233845225853
1316413bcc12a
149cb179571d
1554dc5180c9
hex2fb0d3307f

204830093439 has 32 divisors (see below), whose sum is σ = 313464883200. Its totient is φ = 132053898240.

The previous prime is 204830093333. The next prime is 204830093449. The reversal of 204830093439 is 934390038402.

204830093439 is a `hidden beast` number, since 204 + 8 + 3 + 0 + 0 + 9 + 3 + 439 = 666.

It is not a de Polignac number, because 204830093439 - 229 = 204293222527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204830093394 and 204830093403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204830093449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092492 + ... + 1266174.

It is an arithmetic number, because the mean of its divisors is an integer number (9795777600).

Almost surely, 2204830093439 is an apocalyptic number.

204830093439 is a deficient number, since it is larger than the sum of its proper divisors (108634789761).

204830093439 is a wasteful number, since it uses less digits than its factorization.

204830093439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175132 (or 175126 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 204830093439 in words is "two hundred four billion, eight hundred thirty million, ninety-three thousand, four hundred thirty-nine".

Divisors: 1 3 9 27 31 93 279 837 1409 4227 12681 38043 43679 131037 173683 393111 521049 1179333 1563147 4689441 5384173 16152519 48457557 145372671 244719347 734158041 2202474123 6607422369 7586299757 22758899271 68276697813 204830093439