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10712384681 = 65376121557
BaseRepresentation
bin10011111101000001…
…00000010010101001
31000122120020112012012
421332200200102221
5133414332302211
64530551325305
7526314524135
oct117640402251
930576215165
1010712384681
1145a7953189
1220ab680835
13101947497b
14738a023c5
1542a6c9d8b
hex27e8204a9

10712384681 has 8 divisors (see below), whose sum is σ = 10743386184. Its totient is φ = 10681429120.

The previous prime is 10712384671. The next prime is 10712384719. The reversal of 10712384681 is 18648321701.

It can be written as a sum of positive squares in 4 ways, for example, as 1248986281 + 9463398400 = 35341^2 + 97280^2 .

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 10712384681 - 222 = 10708190377 is a prime.

It is a super-2 number, since 2×107123846812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10712384611) 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, 486155 + ... + 507711.

It is an arithmetic number, because the mean of its divisors is an integer number (1342923273).

Almost surely, 210712384681 is an apocalyptic number.

It is an amenable number.

10712384681 is a deficient number, since it is larger than the sum of its proper divisors (31001503).

10712384681 is an equidigital number, since it uses as much as digits as its factorization.

10712384681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22971.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 10712384681 in words is "ten billion, seven hundred twelve million, three hundred eighty-four thousand, six hundred eighty-one".

Divisors: 1 653 761 21557 496933 14076721 16404877 10712384681