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42910527851 = 80917530303
BaseRepresentation
bin100111111101101010…
…101011000101101011
311002202111201200010022
4213331222223011223
51200340043342401
631413545311055
73046235316512
oct477552530553
9132674650108
1042910527851
111721a968764
12839679548b
13407b06b1a9
142110d63679
1511b22a571b
hex9fdaab16b

42910527851 has 4 divisors (see below), whose sum is σ = 42911139072. Its totient is φ = 42909916632.

The previous prime is 42910527839. The next prime is 42910527893. The reversal of 42910527851 is 15872501924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42910527851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42910527251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184235 + ... + 346068.

It is an arithmetic number, because the mean of its divisors is an integer number (10727784768).

Almost surely, 242910527851 is an apocalyptic number.

42910527851 is a deficient number, since it is larger than the sum of its proper divisors (611221).

42910527851 is an equidigital number, since it uses as much as digits as its factorization.

42910527851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611220.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 42910527851 in words is "forty-two billion, nine hundred ten million, five hundred twenty-seven thousand, eight hundred fifty-one".

Divisors: 1 80917 530303 42910527851