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221211310014340 = 22531973678272531
BaseRepresentation
bin110010010011000011000101…
…100011011011111110000100
31002000020121001112120221011121
4302103003011203123332010
5212443311230330424330
62102251023425043324
764410663323514262
oct6223030543337604
91060217045527147
10221211310014340
116453720a599668
1220988298186544
1396581a207ac99
143c8a9824d9432
151a893319db17a
hexc930c58dbf84

221211310014340 has 48 divisors (see below), whose sum is σ = 484472631734784. Its totient is φ = 84747399091200.

The previous prime is 221211310014337. The next prime is 221211310014353. The reversal of 221211310014340 is 43410013112122.

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 15 ways as a sum of consecutive naturals, for example, 1839076126 + ... + 1839196405.

It is an arithmetic number, because the mean of its divisors is an integer number (10093179827808).

Almost surely, 2221211310014340 is an apocalyptic number.

221211310014340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221211310014340 is an abundant number, since it is smaller than the sum of its proper divisors (263261321720444).

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

221211310014340 is a wasteful number, since it uses less digits than its factorization.

221211310014340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678272668 (or 3678272666 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 221211310014340 its reverse (43410013112122), we get a palindrome (264621323126462).

The spelling of 221211310014340 in words is "two hundred twenty-one trillion, two hundred eleven billion, three hundred ten million, fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 97 124 155 194 310 388 485 620 970 1940 3007 6014 12028 15035 30070 60140 3678272531 7356545062 14713090124 18391362655 36782725310 73565450620 114026448461 228052896922 356792435507 456105793844 570132242305 713584871014 1140264484610 1427169742028 1783962177535 2280528969220 3567924355070 7135848710140 11060565500717 22121131001434 44242262002868 55302827503585 110605655007170 221211310014340