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1020310012 = 221716079337
BaseRepresentation
bin111100110100001…
…011000111111100
32122002220010012201
4330310023013330
54042144410022
6245124441244
734166330521
oct7464130774
92562803181
101020310012
11483a36017
12245849224
131334cb747
1499717148
155e894127
hex3cd0b1fc

1020310012 has 24 divisors (see below), whose sum is σ = 1891953504. Its totient is φ = 479795712.

The previous prime is 1020310009. The next prime is 1020310019. The reversal of 1020310012 is 2100130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020310019) by changing a digit.

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, 104608 + ... + 113944.

It is an arithmetic number, because the mean of its divisors is an integer number (78831396).

Almost surely, 21020310012 is an apocalyptic number.

It is an amenable number.

1020310012 is a deficient number, since it is larger than the sum of its proper divisors (871643492).

1020310012 is a wasteful number, since it uses less digits than its factorization.

1020310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965 (or 10963 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020310012 is about 31942.2919027424. The cubic root of 1020310012 is about 1006.7246812951.

Adding to 1020310012 its reverse (2100130201), we get a palindrome (3120440213).

The spelling of 1020310012 in words is "one billion, twenty million, three hundred ten thousand, twelve".

Divisors: 1 2 4 17 34 68 1607 3214 6428 9337 18674 27319 37348 54638 109276 158729 317458 634916 15004559 30009118 60018236 255077503 510155006 1020310012