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214130806782 = 2335688467797
BaseRepresentation
bin1100011101101100110…
…0001100111111111110
3202110201010220001020120
43013123030030333332
512002014441304112
6242211554155410
721320234553264
oct3073314147776
9673633801216
10214130806782
11828a3292512
12355bbb82b66
1317266a69ac9
14a514ac8434
155883ce4e8c
hex31db30cffe

214130806782 has 8 divisors (see below), whose sum is σ = 428261613576. Its totient is φ = 71376935592.

The previous prime is 214130806777. The next prime is 214130806783. The reversal of 214130806782 is 287608031412.

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

214130806782 is an admirable number.

It is a super-2 number, since 2×2141308067822 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214130806783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17844233893 + ... + 17844233904.

It is an arithmetic number, because the mean of its divisors is an integer number (53532701697).

Almost surely, 2214130806782 is an apocalyptic number.

214130806782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

214130806782 is a wasteful number, since it uses less digits than its factorization.

214130806782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35688467802.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 214130806782 in words is "two hundred fourteen billion, one hundred thirty million, eight hundred six thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 35688467797 71376935594 107065403391 214130806782