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1305315214989 = 331229353173629
BaseRepresentation
bin10010111111101010110…
…110011000011010001101
311121210020122212100110120
4102333222312120122031
5132341241143334424
62435353055055153
7163206633155112
oct22775266303215
94553218770416
101305315214989
11463643455955
12190b8b5114b9
1396124350276
144726b460909
1523e4a893a79
hex12fead9868d

1305315214989 has 32 divisors (see below), whose sum is σ = 1809530188800. Its totient is φ = 836081326080.

The previous prime is 1305315214979. The next prime is 1305315215011. The reversal of 1305315214989 is 9894125135031.

It is not a de Polignac number, because 1305315214989 - 28 = 1305315214733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305315214979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7431027 + ... + 7604655.

It is an arithmetic number, because the mean of its divisors is an integer number (56547818400).

Almost surely, 21305315214989 is an apocalyptic number.

It is an amenable number.

1305315214989 is a deficient number, since it is larger than the sum of its proper divisors (504214973811).

1305315214989 is a wasteful number, since it uses less digits than its factorization.

1305315214989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174245.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 1305315214989 in words is "one trillion, three hundred five billion, three hundred fifteen million, two hundred fourteen thousand, nine hundred eighty-nine".

Divisors: 1 3 31 93 229 353 687 1059 7099 10943 21297 32829 80837 173629 242511 520887 2505947 5382499 7517841 16147497 39761041 61291037 119283123 183873111 1232592271 1900022147 3697776813 5700066441 14035647473 42106942419 435105071663 1305315214989