Search a number
-
+
1305632012050 = 252173150940117
BaseRepresentation
bin10010111111111101101…
…110110111011100010010
311121211001201222022100001
4102333331232313130102
5132342413243341200
62435444333120214
7163220530663522
oct22777556673422
94554051868301
101305632012050
11463796262203
1219105962906a
1396174b7c652
144729b567682
1523e685be76a
hex12ffdbb7712

1305632012050 has 24 divisors (see below), whose sum is σ = 2442512989476. Its totient is φ = 519233999040.

The previous prime is 1305632011963. The next prime is 1305632012053. The reversal of 1305632012050 is 502102365031.

It can be written as a sum of positive squares in 6 ways, for example, as 844228354761 + 461403657289 = 918819^2 + 679267^2 .

It is not an unprimeable number, because it can be changed into a prime (1305632012053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75461409 + ... + 75478708.

Almost surely, 21305632012050 is an apocalyptic number.

1305632012050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305632012050 is a deficient number, since it is larger than the sum of its proper divisors (1136880977426).

1305632012050 is a wasteful number, since it uses less digits than its factorization.

1305632012050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150940302 (or 150940297 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1305632012050 its reverse (502102365031), we get a palindrome (1807734377081).

The spelling of 1305632012050 in words is "one trillion, three hundred five billion, six hundred thirty-two million, twelve thousand, fifty".

Divisors: 1 2 5 10 25 50 173 346 865 1730 4325 8650 150940117 301880234 754700585 1509401170 3773502925 7547005850 26112640241 52225280482 130563201205 261126402410 652816006025 1305632012050