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2216840512341 = 372131961054849
BaseRepresentation
bin100000010000100101111…
…111011100001101010101
321211221001102112012102210
4200100211333130031111
5242310042132343331
64414222533424033
7316106242306500
oct40204577341525
97757042465383
102216840512341
1178517a749184
122b977b49b019
1313107c805440
147941d3b6137
153c9e9b23446
hex20425fdc355

2216840512341 has 48 divisors (see below), whose sum is σ = 3897741624000. Its totient is φ = 1107779162112.

The previous prime is 2216840512331. The next prime is 2216840512373. The reversal of 2216840512341 is 1432150486122.

It is not a de Polignac number, because 2216840512341 - 219 = 2216839988053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2216840512341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216840512301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30491116 + ... + 30563733.

It is an arithmetic number, because the mean of its divisors is an integer number (81202950500).

Almost surely, 22216840512341 is an apocalyptic number.

2216840512341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2216840512341 is a deficient number, since it is larger than the sum of its proper divisors (1680901111659).

2216840512341 is a wasteful number, since it uses less digits than its factorization.

2216840512341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61054898 (or 61054891 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

Adding to 2216840512341 its reverse (1432150486122), we get a palindrome (3648990998463).

The spelling of 2216840512341 in words is "two trillion, two hundred sixteen billion, eight hundred forty million, five hundred twelve thousand, three hundred forty-one".

Divisors: 1 3 7 13 19 21 39 49 57 91 133 147 247 273 399 637 741 931 1729 1911 2793 5187 12103 36309 61054849 183164547 427383943 793713037 1160042131 1282151829 2381139111 2991687601 3480126393 5555991259 8120294917 8975062803 15080547703 16667973777 24360884751 38891938813 45241643109 56842064419 105563833921 116675816439 170526193257 316691501763 738946837447 2216840512341