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11851440101 = 139253933581
BaseRepresentation
bin10110000100110011…
…01001111111100101
31010120221120112110222
423002121221333211
5143232432040401
65240001254125
7566455402334
oct130231517745
933527515428
1011851440101
1150319133a6
122369034345
13116b44b267
14805dc9d1b
154956c7c1b
hex2c2669fe5

11851440101 has 8 divisors (see below), whose sum is σ = 11941759200. Its totient is φ = 11761193520.

The previous prime is 11851440077. The next prime is 11851440127. The reversal of 11851440101 is 10104415811.

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 11851440101 - 26 = 11851440037 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 (11851440901) 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 7 ways as a sum of consecutive naturals, for example, 336131 + ... + 369711.

It is an arithmetic number, because the mean of its divisors is an integer number (1492719900).

Almost surely, 211851440101 is an apocalyptic number.

It is an amenable number.

11851440101 is a deficient number, since it is larger than the sum of its proper divisors (90319099).

11851440101 is a wasteful number, since it uses less digits than its factorization.

11851440101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36259.

The product of its (nonzero) digits is 640, while the sum is 26.

Adding to 11851440101 its reverse (10104415811), we get a palindrome (21955855912).

The spelling of 11851440101 in words is "eleven billion, eight hundred fifty-one million, four hundred forty thousand, one hundred one".

Divisors: 1 139 2539 33581 352921 4667759 85262159 11851440101