Search a number
-
+
10864686782069 = 90713911976871
BaseRepresentation
bin1001111000011010000111…
…0010111101011001110101
31102110122122200221222220022
42132012201302331121311
52411001334304011234
635035100155414525
72200643031620561
oct236064162753165
942418580858808
1010864686782069
1135097624a058a
121275795754445
1360a6c68456b3
14297bd45946a1
1513c93716de2e
hex9e1a1cbd675

10864686782069 has 4 divisors (see below), whose sum is σ = 10864699666080. Its totient is φ = 10864673898060.

The previous prime is 10864686782057. The next prime is 10864686782093. The reversal of 10864686782069 is 96028768646801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10864686782069 - 232 = 10860391814773 is a prime.

It is a super-2 number, since 2×108646867820692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10864686781993 and 10864686782011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10864686782039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081297 + ... + 6895574.

It is an arithmetic number, because the mean of its divisors is an integer number (2716174916520).

Almost surely, 210864686782069 is an apocalyptic number.

It is an amenable number.

10864686782069 is a deficient number, since it is larger than the sum of its proper divisors (12884011).

10864686782069 is an equidigital number, since it uses as much as digits as its factorization.

10864686782069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884010.

The product of its (nonzero) digits is 334430208, while the sum is 71.

The spelling of 10864686782069 in words is "ten trillion, eight hundred sixty-four billion, six hundred eighty-six million, seven hundred eighty-two thousand, sixty-nine".

Divisors: 1 907139 11976871 10864686782069