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1243030300120 = 23574439393929
BaseRepresentation
bin10010000101101010011…
…000010010010111011000
311101211110220210211202201
4102011222120102113120
5130331211224100440
62351012405135544
7155543310135040
oct22055230222730
94354426724681
101243030300120
1143a1912204a4
12180aa83ba5b4
13902a940025b
144423d348720
152250274e19a
hex1216a6125d8

1243030300120 has 32 divisors (see below), whose sum is σ = 3196363629600. Its totient is φ = 426181817088.

The previous prime is 1243030300067. The next prime is 1243030300147. The reversal of 1243030300120 is 210030303421.

It is a congruent number.

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, 2219696685 + ... + 2219697244.

It is an arithmetic number, because the mean of its divisors is an integer number (99886363425).

Almost surely, 21243030300120 is an apocalyptic number.

1243030300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243030300120 is an abundant number, since it is smaller than the sum of its proper divisors (1953333329480).

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

1243030300120 is a wasteful number, since it uses less digits than its factorization.

1243030300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439393947 (or 4439393943 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1243030300120 its reverse (210030303421), we get a palindrome (1453060603541).

The spelling of 1243030300120 in words is "one trillion, two hundred forty-three billion, thirty million, three hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4439393929 8878787858 17757575716 22196969645 31075757503 35515151432 44393939290 62151515006 88787878580 124303030012 155378787515 177575757160 248606060024 310757575030 621515150060 1243030300120