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214442207782 = 21117377372889
BaseRepresentation
bin1100011110110111000…
…0000110101000100110
3202111111211211212002221
43013231300012220212
512003134201122112
6242302520422554
721331035456025
oct3075560065046
9674454755087
10214442207782
1182a43043710
1235688317a5a
13172b642a05a
14a5441c88bc
1558a1306e07
hex31edc06a26

214442207782 has 32 divisors (see below), whose sum is σ = 353395211040. Its totient is φ = 96783601920.

The previous prime is 214442207779. The next prime is 214442207783. The reversal of 214442207782 is 287702244412.

It is a super-2 number, since 2×2144422077822 (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 (214442207783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2905594 + ... + 2978482.

It is an arithmetic number, because the mean of its divisors is an integer number (11043600345).

Almost surely, 2214442207782 is an apocalyptic number.

214442207782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214442207782 is a deficient number, since it is larger than the sum of its proper divisors (138953003258).

214442207782 is a wasteful number, since it uses less digits than its factorization.

214442207782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73848.

The product of its (nonzero) digits is 401408, while the sum is 43.

It can be divided in two parts, 214442 and 207782, that added together give a palindrome (422224).

The spelling of 214442207782 in words is "two hundred fourteen billion, four hundred forty-two million, two hundred seven thousand, seven hundred eighty-two".

Divisors: 1 2 11 22 173 346 773 1546 1903 3806 8503 17006 72889 133729 145778 267458 801779 1471019 1603558 2942038 12609797 25219594 56343197 112686394 138707767 277415534 619775167 1239550334 9747373081 19494746162 107221103891 214442207782