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1230143441020 = 225134731320927
BaseRepresentation
bin10001111001101010010…
…000110100100001111100
311100121012210220120102221
4101321222100310201330
5130123313210103040
62341041535055124
7154606046503204
oct21715220644174
94317183816387
101230143441020
114347789a251a
1217a4b06714a4
138c0045c3440
1443779a31404
1521eeb1ea74a
hex11e6a43487c

1230143441020 has 24 divisors (see below), whose sum is σ = 2782016705664. Its totient is φ = 454206808896.

The previous prime is 1230143440997. The next prime is 1230143441039. The reversal of 1230143441020 is 201443410321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365660204 + ... + 2365660723.

It is an arithmetic number, because the mean of its divisors is an integer number (115917362736).

Almost surely, 21230143441020 is an apocalyptic number.

1230143441020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230143441020 is an abundant number, since it is smaller than the sum of its proper divisors (1551873264644).

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

1230143441020 is a wasteful number, since it uses less digits than its factorization.

1230143441020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731320949 (or 4731320947 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1230143441020 its reverse (201443410321), we get a palindrome (1431586851341).

The spelling of 1230143441020 in words is "one trillion, two hundred thirty billion, one hundred forty-three million, four hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 4731320927 9462641854 18925283708 23656604635 47313209270 61507172051 94626418540 123014344102 246028688204 307535860255 615071720510 1230143441020