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1020300112 = 24134905289
BaseRepresentation
bin111100110100001…
…000101101010000
32122002212121122001
4330310020231100
54042144100422
6245124323344
734166256616
oct7464105520
92562777561
101020300112
11483a29637
12245843554
131334c70a0
14997136b6
155e891227
hex3cd08b50

1020300112 has 20 divisors (see below), whose sum is σ = 2128895860. Its totient is φ = 470907648.

The previous prime is 1020300109. The next prime is 1020300119. The reversal of 1020300112 is 2110030201.

It can be written as a sum of positive squares in 2 ways, for example, as 614841616 + 405458496 = 24796^2 + 20136^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020300119) 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, 2452437 + ... + 2452852.

It is an arithmetic number, because the mean of its divisors is an integer number (106444793).

Almost surely, 21020300112 is an apocalyptic number.

It is an amenable number.

1020300112 is an abundant number, since it is smaller than the sum of its proper divisors (1108595748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020300112 is a wasteful number, since it uses less digits than its factorization.

1020300112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905310 (or 4905304 counting only the distinct ones).

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

The square root of 1020300112 is about 31942.1369354024. The cubic root of 1020300112 is about 1006.7214252238.

Adding to 1020300112 its reverse (2110030201), we get a palindrome (3130330313).

The spelling of 1020300112 in words is "one billion, twenty million, three hundred thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 4905289 9810578 19621156 39242312 63768757 78484624 127537514 255075028 510150056 1020300112