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10688048269 = 11539269773
BaseRepresentation
bin10011111010000111…
…01010110010001101
31000120212110002220121
421331003222302031
5133342120021034
64524321544541
7525600624403
oct117503526215
930525402817
1010688048269
114595140948
1220a34a5151
131014403822
147356a9473
154284be1b4
hex27d0eac8d

10688048269 has 4 divisors (see below), whose sum is σ = 10697319196. Its totient is φ = 10678777344.

The previous prime is 10688048243. The next prime is 10688048297. The reversal of 10688048269 is 96284088601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96284088601 = 531816680917.

It can be written as a sum of positive squares in 2 ways, for example, as 6235155369 + 4452892900 = 78963^2 + 66730^2 .

It is a cyclic number.

It is not a de Polignac number, because 10688048269 - 217 = 10687917197 is a prime.

It is a super-2 number, since 2×106880482692 (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 (10688048369) 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, 4633734 + ... + 4636039.

It is an arithmetic number, because the mean of its divisors is an integer number (2674329799).

Almost surely, 210688048269 is an apocalyptic number.

It is an amenable number.

10688048269 is a deficient number, since it is larger than the sum of its proper divisors (9270927).

10688048269 is an equidigital number, since it uses as much as digits as its factorization.

10688048269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270926.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 10688048269 in words is "ten billion, six hundred eighty-eight million, forty-eight thousand, two hundred sixty-nine".

Divisors: 1 1153 9269773 10688048269