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11383187817 = 331157779617
BaseRepresentation
bin10101001100111110…
…11010100101101001
31002101022110212002210
422212133122211221
5141303044002232
65121313115333
7552041333331
oct124637324551
932338425083
1011383187817
114911570541
122258258b49
1310c54307c1
1479db3a0c1
154695315cc
hex2a67da969

11383187817 has 16 divisors (see below), whose sum is σ = 15766994432. Its totient is φ = 7297205760.

The previous prime is 11383187801. The next prime is 11383187863. The reversal of 11383187817 is 71878138311.

It is not a de Polignac number, because 11383187817 - 24 = 11383187801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11383187887) 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 15 ways as a sum of consecutive naturals, for example, 375208 + ... + 404409.

It is an arithmetic number, because the mean of its divisors is an integer number (985437152).

Almost surely, 211383187817 is an apocalyptic number.

It is an amenable number.

11383187817 is a deficient number, since it is larger than the sum of its proper divisors (4383806615).

11383187817 is a wasteful number, since it uses less digits than its factorization.

11383187817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779808.

The product of its digits is 225792, while the sum is 48.

The spelling of 11383187817 in words is "eleven billion, three hundred eighty-three million, one hundred eighty-seven thousand, eight hundred seventeen".

Divisors: 1 3 31 93 157 471 4867 14601 779617 2338851 24168127 72504381 122399869 367199607 3794395939 11383187817