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13530305322 = 232312782189
BaseRepresentation
bin11001001100111100…
…00001001100101010
31021220221122201121100
430212132001030222
5210202224232242
610114333222230
7656202461202
oct144636011452
937827581540
1013530305322
115813560716
122757331976
131378207a31
14924d6d402
15542ca454c
hex32678132a

13530305322 has 36 divisors (see below), whose sum is σ = 30291872130. Its totient is φ = 4364609040.

The previous prime is 13530305293. The next prime is 13530305329. The reversal of 13530305322 is 22350303531.

13530305322 is a `hidden beast` number, since 1 + 3 + 5 + 30 + 305 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7528859361 + 6001445961 = 86769^2 + 77469^2 .

It is not an unprimeable number, because it can be changed into a prime (13530305329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 373797 + ... + 408392.

Almost surely, 213530305322 is an apocalyptic number.

13530305322 is an abundant number, since it is smaller than the sum of its proper divisors (16761566808).

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

13530305322 is a wasteful number, since it uses less digits than its factorization.

13530305322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782259 (or 782225 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 13530305322 its reverse (22350303531), we get a palindrome (35880608853).

The spelling of 13530305322 in words is "thirteen billion, five hundred thirty million, three hundred five thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 961 1922 2883 5766 8649 17298 782189 1564378 2346567 4693134 7039701 14079402 24247859 48495718 72743577 145487154 218230731 436461462 751683629 1503367258 2255050887 4510101774 6765152661 13530305322