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868485589492 = 221929394049723
BaseRepresentation
bin11001010001101011100…
…01100110100111110100
310002000201020212011012011
430220311301212213310
5103212124302330432
61502550552134004
7116513611464463
oct14506561464764
93060636764164
10868485589492
11305360523834
1212039a097304
1363b89727821
143006bba69da
15178d09ad847
hexca35c669f4

868485589492 has 24 divisors (see below), whose sum is σ = 1655008840800. Its totient is φ = 397202119776.

The previous prime is 868485589469. The next prime is 868485589507. The reversal of 868485589492 is 294985584868.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197022658 + ... + 197027065.

It is an arithmetic number, because the mean of its divisors is an integer number (68958701700).

Almost surely, 2868485589492 is an apocalyptic number.

It is an amenable number.

868485589492 is a deficient number, since it is larger than the sum of its proper divisors (786523251308).

868485589492 is a wasteful number, since it uses less digits than its factorization.

868485589492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394049775 (or 394049773 counting only the distinct ones).

The product of its digits is 1592524800, while the sum is 76.

The spelling of 868485589492 in words is "eight hundred sixty-eight billion, four hundred eighty-five million, five hundred eighty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 19 29 38 58 76 116 551 1102 2204 394049723 788099446 1576198892 7486944737 11427441967 14973889474 22854883934 29947778948 45709767868 217121397373 434242794746 868485589492