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20140736051 = 157128284943
BaseRepresentation
bin10010110000011110…
…110011111000110011
31220222122100101211002
4102300132303320303
5312222012023201
613130313512215
71312051301042
oct226036637063
956878311732
1020140736051
1185a5a14107
123aa111266b
131b8c8b1cc7
14d90c7c559
157cd2ba76b
hex4b07b3e33

20140736051 has 4 divisors (see below), whose sum is σ = 20269021152. Its totient is φ = 20012450952.

The previous prime is 20140735997. The next prime is 20140736059. The reversal of 20140736051 is 15063704102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15063704102 = 27531852051.

It is a cyclic number.

It is not a de Polignac number, because 20140736051 - 218 = 20140473907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20140736059) 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 3 ways as a sum of consecutive naturals, for example, 64142315 + ... + 64142628.

It is an arithmetic number, because the mean of its divisors is an integer number (5067255288).

Almost surely, 220140736051 is an apocalyptic number.

20140736051 is a deficient number, since it is larger than the sum of its proper divisors (128285101).

20140736051 is a wasteful number, since it uses less digits than its factorization.

20140736051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128285100.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 20140736051 in words is "twenty billion, one hundred forty million, seven hundred thirty-six thousand, fifty-one".

Divisors: 1 157 128284943 20140736051