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11550144005 = 514915503549
BaseRepresentation
bin10101100000111000…
…10011011000000101
31002210221122002221022
422300130103120011
5142123314102010
65150035400525
7556136414141
oct126034233005
932727562838
1011550144005
114997834164
1222a4153145
131120bb854a
147b7d9a221
1547900ed55
hex2b0713605

11550144005 has 8 divisors (see below), whose sum is σ = 13953195000. Its totient is φ = 9178100416.

The previous prime is 11550143987. The next prime is 11550144019. The reversal of 11550144005 is 50044105511.

It can be written as a sum of positive squares in 4 ways, for example, as 1328529601 + 10221614404 = 36449^2 + 101102^2 .

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 11550144005 - 220 = 11549095429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7751030 + ... + 7752519.

It is an arithmetic number, because the mean of its divisors is an integer number (1744149375).

Almost surely, 211550144005 is an apocalyptic number.

It is an amenable number.

11550144005 is a deficient number, since it is larger than the sum of its proper divisors (2403050995).

11550144005 is a wasteful number, since it uses less digits than its factorization.

11550144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503703.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 11550144005 its reverse (50044105511), we get a palindrome (61594249516).

The spelling of 11550144005 in words is "eleven billion, five hundred fifty million, one hundred forty-four thousand, five".

Divisors: 1 5 149 745 15503549 77517745 2310028801 11550144005