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42781711054 = 2103207678209
BaseRepresentation
bin100111110101111111…
…010001101011001110
311002102112100002200211
4213311333101223032
51200104104223204
631353104313034
73043112354365
oct476577215316
9132375302624
1042781711054
11171641847a5
12835b61277a
13405a478134
1420dbbd07dc
1511a5d0c804
hex9f5fd1ace

42781711054 has 8 divisors (see below), whose sum is σ = 64795601520. Its totient is φ = 21183177216.

The previous prime is 42781711033. The next prime is 42781711103. The reversal of 42781711054 is 45011718724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42781710998 and 42781711016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103838899 + ... + 103839310.

It is an arithmetic number, because the mean of its divisors is an integer number (8099450190).

Almost surely, 242781711054 is an apocalyptic number.

42781711054 is a deficient number, since it is larger than the sum of its proper divisors (22013890466).

42781711054 is a wasteful number, since it uses less digits than its factorization.

42781711054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207678314.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 42781711054 in words is "forty-two billion, seven hundred eighty-one million, seven hundred eleven thousand, fifty-four".

Divisors: 1 2 103 206 207678209 415356418 21390855527 42781711054