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10680713581 = 137458317011
BaseRepresentation
bin10011111001001111…
…01100000101101101
31000120100122110121111
421330213230011231
5133333230313311
64523500432021
7525451365436
oct117447540555
930510573544
1010680713581
114590a9121a
1220a0b48611
131012a36185
1473471a48d
15427a20d21
hex27c9ec16d

10680713581 has 8 divisors (see below), whose sum is σ = 10761655104. Its totient is φ = 10599815520.

The previous prime is 10680713579. The next prime is 10680713591. The reversal of 10680713581 is 18531708601.

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

It is a cyclic number.

It is not a de Polignac number, because 10680713581 - 21 = 10680713579 is a prime.

It is a super-2 number, since 2×106807135812 (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 (10680713501) by changing a digit.

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, 619366 + ... + 636376.

It is an arithmetic number, because the mean of its divisors is an integer number (1345206888).

Almost surely, 210680713581 is an apocalyptic number.

It is an amenable number.

10680713581 is a deficient number, since it is larger than the sum of its proper divisors (80941523).

10680713581 is a wasteful number, since it uses less digits than its factorization.

10680713581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21731.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 10680713581 in words is "ten billion, six hundred eighty million, seven hundred thirteen thousand, five hundred eighty-one".

Divisors: 1 137 4583 17011 627871 2330507 77961413 10680713581