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10720842789 = 335257101359
BaseRepresentation
bin10011111110000001…
…10001010000100101
31000200011011020112110
421333000301100211
5133424013432124
64531452511233
7526446442266
oct117700612045
930604136473
1010720842789
1146016aa958
1220b247b519
13101b146777
14739ba496d
1542b2eb029
hex27f031425

10720842789 has 8 divisors (see below), whose sum is σ = 14295003520. Its totient is φ = 7146955296.

The previous prime is 10720842773. The next prime is 10720842791. The reversal of 10720842789 is 98724802701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10720842789 - 24 = 10720842773 is a prime.

It is a super-2 number, since 2×107208427892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720842089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55092 + ... + 156450.

It is an arithmetic number, because the mean of its divisors is an integer number (1786875440).

Almost surely, 210720842789 is an apocalyptic number.

It is an amenable number.

10720842789 is a deficient number, since it is larger than the sum of its proper divisors (3574160731).

10720842789 is a wasteful number, since it uses less digits than its factorization.

10720842789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136619.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 10720842789 in words is "ten billion, seven hundred twenty million, eight hundred forty-two thousand, seven hundred eighty-nine".

Divisors: 1 3 35257 101359 105771 304077 3573614263 10720842789