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289864040958 = 23226895988679
BaseRepresentation
bin1000011011111010011…
…11100100000111111110
31000201012010022221212200
410031331033210013332
514222120143302313
6341054532212330
726641046460342
oct4157517440776
91021163287780
10289864040958
11101a26770248
1248216a6a0a6
1321445c1a4cb
141005ad0b622
1578178e6b73
hex437d3e41fe

289864040958 has 24 divisors (see below), whose sum is σ = 628272418800. Its totient is φ = 96585398784.

The previous prime is 289864040941. The next prime is 289864041001. The reversal of 289864040958 is 859040468982.

It is a super-2 number, since 2×2898640409582 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 289864040895 and 289864040904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2945938 + ... + 3042741.

It is an arithmetic number, because the mean of its divisors is an integer number (26178017450).

Almost surely, 2289864040958 is an apocalyptic number.

289864040958 is an abundant number, since it is smaller than the sum of its proper divisors (338408377842).

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

289864040958 is a wasteful number, since it uses less digits than its factorization.

289864040958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991376 (or 5991373 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 289864040958 in words is "two hundred eighty-nine billion, eight hundred sixty-four million, forty thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 9 18 2689 5378 8067 16134 24201 48402 5988679 11977358 17966037 35932074 53898111 107796222 16103557831 32207115662 48310673493 96621346986 144932020479 289864040958