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1321130232310 = 257175791073627
BaseRepresentation
bin10011001110011001011…
…111111000100111110110
311200022001211121110201211
4103032121133320213312
5133121133314413220
62450530245512034
7164306560455250
oct23163137704766
94608054543654
101321130232310
1146a3196354a9
12194063a1261a
13977749a9695
1447d2b9dccd0
1524573ee9b5a
hex133997f89f6

1321130232310 has 32 divisors (see below), whose sum is σ = 2717910754560. Its totient is φ = 452932747872.

The previous prime is 1321130232287. The next prime is 1321130232349. The reversal of 1321130232310 is 132320311231.

It is a super-2 number, since 2×13211302323102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693717 + ... + 1767343.

It is an arithmetic number, because the mean of its divisors is an integer number (84934711080).

Almost surely, 21321130232310 is an apocalyptic number.

1321130232310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321130232310 is an abundant number, since it is smaller than the sum of its proper divisors (1396780522250).

1321130232310 is a wasteful number, since it uses less digits than its factorization.

1321130232310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091220.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1321130232310 its reverse (132320311231), we get a palindrome (1453450543541).

The spelling of 1321130232310 in words is "one trillion, three hundred twenty-one billion, one hundred thirty million, two hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 17579 35158 87895 123053 175790 246106 615265 1073627 1230530 2147254 5368135 7515389 10736270 15030778 37576945 75153890 18873289033 37746578066 94366445165 132113023231 188732890330 264226046462 660565116155 1321130232310