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11841874069 = 731371184069
BaseRepresentation
bin10110000011101010…
…01010100010010101
31010120021120112100111
423001311022202111
5143223004432234
65235020243021
7566311161124
oct130165124225
933507515314
1011841874069
11502747a293
1223659a0471
13116947c09c
14804a19abb
15494938664
hex2c1d4a895

11841874069 has 8 divisors (see below), whose sum is σ = 12091722840. Its totient is φ = 11594393856.

The previous prime is 11841874021. The next prime is 11841874091. The reversal of 11841874069 is 96047814811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6298327044 + 5543547025 = 79362^2 + 74455^2 .

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 11841874069 - 225 = 11808319637 is a prime.

It is a super-2 number, since 2×118418740692 (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 (11841874019) 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, 582034 + ... + 602035.

It is an arithmetic number, because the mean of its divisors is an integer number (1511465355).

Almost surely, 211841874069 is an apocalyptic number.

It is an amenable number.

11841874069 is a deficient number, since it is larger than the sum of its proper divisors (249848771).

11841874069 is a wasteful number, since it uses less digits than its factorization.

11841874069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184279.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 11841874069 in words is "eleven billion, eight hundred forty-one million, eight hundred seventy-four thousand, sixty-nine".

Divisors: 1 73 137 10001 1184069 86437037 162217453 11841874069