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1305325505252 = 221372381980849
BaseRepresentation
bin10010111111101011011…
…101101000101011100100
311121210021101020011001102
4102333223131220223210
5132341301312132002
62435354103415232
7163210116503636
oct22775335505344
94553241204042
101305325505252
114636492440aa
12190b92a54518
1396126513c92
144726c97ca56
1523e4b727a02
hex12feb768ae4

1305325505252 has 12 divisors (see below), whose sum is σ = 2300993501100. Its totient is φ = 647898790656.

The previous prime is 1305325505249. The next prime is 1305325505261. The reversal of 1305325505252 is 2525055235031.

It can be written as a sum of positive squares in 2 ways, for example, as 1010057160256 + 295268344996 = 1005016^2 + 543386^2 .

It is a super-3 number, since 3×13053255052523 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190989877 + ... + 1190990972.

It is an arithmetic number, because the mean of its divisors is an integer number (191749458425).

Almost surely, 21305325505252 is an apocalyptic number.

It is an amenable number.

1305325505252 is a deficient number, since it is larger than the sum of its proper divisors (995667995848).

1305325505252 is a wasteful number, since it uses less digits than its factorization.

1305325505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381980990 (or 2381980988 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 1305325505252 in words is "one trillion, three hundred five billion, three hundred twenty-five million, five hundred five thousand, two hundred fifty-two".

Divisors: 1 2 4 137 274 548 2381980849 4763961698 9527923396 326331376313 652662752626 1305325505252