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1021300033120 = 25514653435619
BaseRepresentation
bin11101101110010100011…
…10011100011001100000
310121122011011012012220121
432313022032130121200
5113213110302024440
62101102340050024
7133533524021653
oct16671216343140
93548134165817
101021300033120
11364149275054
12145b27393914
13754010c0533
143760725b89a
151b8766cc34a
hexedca39c660

1021300033120 has 48 divisors (see below), whose sum is σ = 2412991531440. Its totient is φ = 408491195904.

The previous prime is 1021300033111. The next prime is 1021300033121. The reversal of 1021300033120 is 213300031201.

1021300033120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1021300033094 and 1021300033103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021300033121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126671 + ... + 2562289.

It is an arithmetic number, because the mean of its divisors is an integer number (50270656905).

Almost surely, 21021300033120 is an apocalyptic number.

1021300033120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021300033120 is an abundant number, since it is smaller than the sum of its proper divisors (1391691498320).

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

1021300033120 is a wasteful number, since it uses less digits than its factorization.

1021300033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450287 (or 450279 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1021300033120 its reverse (213300031201), we get a palindrome (1234600064321).

The spelling of 1021300033120 in words is "one trillion, twenty-one billion, three hundred million, thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 14653 29306 58612 73265 117224 146530 234448 293060 435619 468896 586120 871238 1172240 1742476 2178095 2344480 3484952 4356190 6969904 8712380 13939808 17424760 34849520 69699040 6383125207 12766250414 25532500828 31915626035 51065001656 63831252070 102130003312 127662504140 204260006624 255325008280 510650016560 1021300033120