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1031300012 = 2219109124493
BaseRepresentation
bin111101011110000…
…110001110101100
32122212120110122202
4331132012032230
54103003100022
6250200201032
734361622401
oct7536061654
92585513582
101031300012
1148a161a66
12249469178
13135878ac2
149ad782a8
1560815592
hex3d7863ac

1031300012 has 24 divisors (see below), whose sum is σ = 1917207600. Its totient is φ = 484024896.

The previous prime is 1031300009. The next prime is 1031300029. The reversal of 1031300012 is 2100031301.

It is a junction number, because it is equal to n+sod(n) for n = 1031299966 and 1031300002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53963 + ... + 70530.

It is an arithmetic number, because the mean of its divisors is an integer number (79883650).

Almost surely, 21031300012 is an apocalyptic number.

It is an amenable number.

1031300012 is a deficient number, since it is larger than the sum of its proper divisors (885907588).

1031300012 is a wasteful number, since it uses less digits than its factorization.

1031300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124625 (or 124623 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1031300012 is about 32113.8601230061. The cubic root of 1031300012 is about 1010.3263370528.

Adding to 1031300012 its reverse (2100031301), we get a palindrome (3131331313).

The spelling of 1031300012 in words is "one billion, thirty-one million, three hundred thousand, twelve".

Divisors: 1 2 4 19 38 76 109 218 436 2071 4142 8284 124493 248986 497972 2365367 4730734 9461468 13569737 27139474 54278948 257825003 515650006 1031300012