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42781216414 = 2171518332921
BaseRepresentation
bin100111110101111101…
…011000111010011110
311002102111101222011211
4213311331120322132
51200103442411124
631353045535034
73043105224316
oct476575307236
9132374358154
1042781216414
1117163977102
12835b41447a
13405a333c51
1420dbb02446
1511a5c60e94
hex9f5f58e9e

42781216414 has 16 divisors (see below), whose sum is σ = 68396623776. Its totient is φ = 19999008000.

The previous prime is 42781216403. The next prime is 42781216433. The reversal of 42781216414 is 41461218724.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 4161327 + ... + 4171594.

It is an arithmetic number, because the mean of its divisors is an integer number (4274788986).

Almost surely, 242781216414 is an apocalyptic number.

42781216414 is a deficient number, since it is larger than the sum of its proper divisors (25615407362).

42781216414 is a wasteful number, since it uses less digits than its factorization.

42781216414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333091.

The product of its digits is 86016, while the sum is 40.

The spelling of 42781216414 in words is "forty-two billion, seven hundred eighty-one million, two hundred sixteen thousand, four hundred fourteen".

Divisors: 1 2 17 34 151 302 2567 5134 8332921 16665842 141659657 283319314 1258271071 2516542142 21390608207 42781216414