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40870311664218 = 2313511950412737
BaseRepresentation
bin10010100101011110111000…
…11010001001101001011010
312100201011102021212101002220
421102233130122021221122
520324104344241223333
6222531321215404510
711415532265115321
oct1122573432115132
9170634367771086
1040870311664218
11120280024a1873
124700b34823736
1319a609141177a
14a141c29c50b8
154ad1e5b848b3
hex252bdc689a5a

40870311664218 has 16 divisors (see below), whose sum is σ = 81741229902720. Its totient is φ = 13623336125696.

The previous prime is 40870311664181. The next prime is 40870311664289. The reversal of 40870311664218 is 81246611307804.

40870311664218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24395655 + ... + 26017082.

It is an arithmetic number, because the mean of its divisors is an integer number (5108826868920).

Almost surely, 240870311664218 is an apocalyptic number.

40870311664218 is an abundant number, since it is smaller than the sum of its proper divisors (40870918238502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40870311664218 is a wasteful number, since it uses less digits than its factorization.

40870311664218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50547861.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 40870311664218 in words is "forty trillion, eight hundred seventy billion, three hundred eleven million, six hundred sixty-four thousand, two hundred eighteen".

Divisors: 1 2 3 6 135119 270238 405357 810714 50412737 100825474 151238211 302476422 6811718610703 13623437221406 20435155832109 40870311664218