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729985854014 = 21979977248891
BaseRepresentation
bin10101001111101101000…
…11000010101000111110
32120210012222011121110122
422213312203002220332
543430002334312024
61315203442134542
7103511505244304
oct12476643025076
92523188147418
10729985854014
11261648a9062a
12b9586951452
1353ab691b321
142748d90a274
1513ec6839d5e
hexa9f68c2a3e

729985854014 has 32 divisors (see below), whose sum is σ = 1168398604800. Its totient is φ = 341054962560.

The previous prime is 729985853981. The next prime is 729985854083. The reversal of 729985854014 is 410458589927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2808509 + ... + 3057399.

It is an arithmetic number, because the mean of its divisors is an integer number (36512456400).

Almost surely, 2729985854014 is an apocalyptic number.

729985854014 is a deficient number, since it is larger than the sum of its proper divisors (438412750786).

729985854014 is a wasteful number, since it uses less digits than its factorization.

729985854014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249968.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 729985854014 in words is "seven hundred twenty-nine billion, nine hundred eighty-five million, eight hundred fifty-four thousand, fourteen".

Divisors: 1 2 19 38 79 158 977 1501 1954 3002 18563 37126 77183 154366 248891 497782 1466477 2932954 4728929 9457858 19662389 39324778 243166507 373585391 486333014 747170782 4620163633 9240327266 19210154053 38420308106 364992927007 729985854014