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1310506430612 = 221033180840851
BaseRepresentation
bin10011000100100000010…
…001010011000010010100
311122021122110001102112212
4103010200101103002110
5132432404121234422
62442012140532552
7163452366602411
oct23044021230224
94567573042485
101310506430612
11465867795aa5
12191b99b51158
13967709ab9a2
1447600a99108
15241514bb9e2
hex13120453094

1310506430612 has 12 divisors (see below), whose sum is σ = 2315652140256. Its totient is φ = 648891533400.

The previous prime is 1310506430599. The next prime is 1310506430617. The reversal of 1310506430612 is 2160346050131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310506430617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590420014 + ... + 1590420837.

It is an arithmetic number, because the mean of its divisors is an integer number (192971011688).

Almost surely, 21310506430612 is an apocalyptic number.

It is an amenable number.

1310506430612 is a deficient number, since it is larger than the sum of its proper divisors (1005145709644).

1310506430612 is a wasteful number, since it uses less digits than its factorization.

1310506430612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180840958 (or 3180840956 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 1310506430612 in words is "one trillion, three hundred ten billion, five hundred six million, four hundred thirty thousand, six hundred twelve".

Divisors: 1 2 4 103 206 412 3180840851 6361681702 12723363404 327626607653 655253215306 1310506430612