Search a number
-
+
11660275757 = 134212130509
BaseRepresentation
bin10101101110000000…
…11011000000101101
31010002121212101022002
422313000123000231
5142340012311012
65205012102045
7561644465024
oct126700330055
933077771262
1011660275757
114a43a15839
122315004925
13113a968870
147c88678bb
15483a167c2
hex2b701b02d

11660275757 has 8 divisors (see below), whose sum is σ = 12587053080. Its totient is φ = 10737760320.

The previous prime is 11660275751. The next prime is 11660275771. The reversal of 11660275757 is 75757206611.

It can be written as a sum of positive squares in 4 ways, for example, as 1226470441 + 10433805316 = 35021^2 + 102146^2 .

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 11660275757 - 210 = 11660274733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660275751) 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, 1059782 + ... + 1070727.

It is an arithmetic number, because the mean of its divisors is an integer number (1573381635).

Almost surely, 211660275757 is an apocalyptic number.

It is an amenable number.

11660275757 is a deficient number, since it is larger than the sum of its proper divisors (926777323).

11660275757 is a wasteful number, since it uses less digits than its factorization.

11660275757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130943.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 11660275757 in words is "eleven billion, six hundred sixty million, two hundred seventy-five thousand, seven hundred fifty-seven".

Divisors: 1 13 421 5473 2130509 27696617 896944289 11660275757