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204440352132 = 223412331783387
BaseRepresentation
bin1011111001100110011…
…0000011010110000100
3201112200210120221111210
42332121212003112010
511322143212232012
6233530230131420
720525136215022
oct2763146032604
9645623527453
10204440352132
1179780281505
12337567b0b70
1316381240083
149c75b01712
1554b81ce23c
hex2f99983584

204440352132 has 48 divisors (see below), whose sum is σ = 490759843392. Its totient is φ = 66199288320.

The previous prime is 204440352131. The next prime is 204440352143. The reversal of 204440352132 is 231253044402.

It is a self number, because there is not a number n which added to its sum of digits gives 204440352132.

It is not an unprimeable number, because it can be changed into a prime (204440352131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777058 + ... + 1006329.

It is an arithmetic number, because the mean of its divisors is an integer number (10224163404).

Almost surely, 2204440352132 is an apocalyptic number.

It is an amenable number.

204440352132 is an abundant number, since it is smaller than the sum of its proper divisors (286319491260).

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

204440352132 is a wasteful number, since it uses less digits than its factorization.

204440352132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783668 (or 1783666 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 204440352132 its reverse (231253044402), we get a palindrome (435693396534).

The spelling of 204440352132 in words is "two hundred four billion, four hundred forty million, three hundred fifty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 233 246 466 492 699 932 1398 2796 9553 19106 28659 38212 57318 114636 1783387 3566774 5350161 7133548 10700322 21400644 73118867 146237734 219356601 292475468 415529171 438713202 831058342 877426404 1246587513 1662116684 2493175026 4986350052 17036696011 34073392022 51110088033 68146784044 102220176066 204440352132