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2218381678094 = 219991281920897
BaseRepresentation
bin100000010010000001110…
…110100001011000001110
321212002000211111112101212
4200102001312201120032
5242321221202144334
64415035510134422
7316162365066221
oct40220166413016
97762024445355
102218381678094
117858a069588a
122b9b2b651412
13131266baba3a
1479527d535b8
153ca8a09eece
hex20481da160e

2218381678094 has 32 divisors (see below), whose sum is σ = 3507654067200. Its totient is φ = 1049329416960.

The previous prime is 2218381678003. The next prime is 2218381678259. The reversal of 2218381678094 is 4908761838122.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106147454 + ... + 106168350.

It is an arithmetic number, because the mean of its divisors is an integer number (109614189600).

Almost surely, 22218381678094 is an apocalyptic number.

2218381678094 is a deficient number, since it is larger than the sum of its proper divisors (1289272389106).

2218381678094 is a wasteful number, since it uses less digits than its factorization.

2218381678094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24728.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 2218381678094 in words is "two trillion, two hundred eighteen billion, three hundred eighty-one million, six hundred seventy-eight thousand, ninety-four".

Divisors: 1 2 19 38 991 1982 2819 5638 18829 20897 37658 41794 53561 107122 397043 794086 2793629 5587258 20708927 41417854 53078951 58908643 106157902 117817286 393469613 786939226 1119264217 2238528434 58378465213 116756930426 1109190839047 2218381678094