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42015461311 = 192211340069
BaseRepresentation
bin100111001000010100…
…010000111110111111
311000110010111120122201
4213020110100332333
51142021424230221
631145053052331
73015116346205
oct471024207677
9130403446581
1042015461311
11169006a5a4a
128186a870a7
133c677b1215
14206812d075
15115d900891
hex9c8510fbf

42015461311 has 4 divisors (see below), whose sum is σ = 44226801400. Its totient is φ = 39804121224.

The previous prime is 42015461303. The next prime is 42015461381. The reversal of 42015461311 is 11316451024.

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

It is a cyclic number.

It is not a de Polignac number, because 42015461311 - 23 = 42015461303 is a prime.

It is a super-2 number, since 2×420154613112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42015461311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42015461381) 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, 1105670016 + ... + 1105670053.

It is an arithmetic number, because the mean of its divisors is an integer number (11056700350).

Almost surely, 242015461311 is an apocalyptic number.

42015461311 is a deficient number, since it is larger than the sum of its proper divisors (2211340089).

42015461311 is a wasteful number, since it uses less digits than its factorization.

42015461311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211340088.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 42015461311 in words is "forty-two billion, fifteen million, four hundred sixty-one thousand, three hundred eleven".

Divisors: 1 19 2211340069 42015461311