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42052500311 = 61689385251
BaseRepresentation
bin100111001010100001…
…100011101101010111
311000112201012100121112
4213022201203231113
51142110420002221
631152455005235
73016046232503
oct471241435527
9130481170545
1042052500311
111691a5a3998
12819736981b
133c7237c0a3
14206d011303
151161cba15b
hex9ca863b57

42052500311 has 4 divisors (see below), whose sum is σ = 42741885624. Its totient is φ = 41363115000.

The previous prime is 42052500233. The next prime is 42052500319. The reversal of 42052500311 is 11300525024.

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-42052500311 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 (42052500319) 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, 344692565 + ... + 344692686.

It is an arithmetic number, because the mean of its divisors is an integer number (10685471406).

Almost surely, 242052500311 is an apocalyptic number.

42052500311 is a deficient number, since it is larger than the sum of its proper divisors (689385313).

42052500311 is an equidigital number, since it uses as much as digits as its factorization.

42052500311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689385312.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 42052500311 in words is "forty-two billion, fifty-two million, five hundred thousand, three hundred eleven".

Divisors: 1 61 689385251 42052500311