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221231033313032 = 23179389479829121
BaseRepresentation
bin110010010011010101011101…
…001001110110011100001000
31002000022110222002110022120202
4302103111131021312130020
5212444122124012004112
62102304044511511332
764412262146006651
oct6223253511663410
91060273862408522
10221231033313032
1164544610907916
1220990081528548
139659cc6324822
143c8b8d3b54528
151a89ad82eb6c2
hexc9355d276708

221231033313032 has 64 divisors (see below), whose sum is σ = 419071423680000. Its totient is φ = 109485601116160.

The previous prime is 221231033313019. The next prime is 221231033313041. The reversal of 221231033313032 is 230313330132122.

It is a junction number, because it is equal to n+sod(n) for n = 221231033312986 and 221231033313004.

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, 266411432 + ... + 267240552.

It is an arithmetic number, because the mean of its divisors is an integer number (6547990995000).

Almost surely, 2221231033313032 is an apocalyptic number.

It is an amenable number.

221231033313032 is a deficient number, since it is larger than the sum of its proper divisors (197840390366968).

221231033313032 is a wasteful number, since it uses less digits than its factorization.

221231033313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830174 (or 830170 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 221231033313032 its reverse (230313330132122), we get a palindrome (451544363445154).

The spelling of 221231033313032 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, thirty-three million, three hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 8 179 358 389 479 716 778 958 1432 1556 1916 3112 3832 69631 85741 139262 171482 186331 278524 342964 372662 557048 685928 745324 829121 1490648 1658242 3316484 6632968 33353249 66706498 133412996 148412659 266825992 296825318 322528069 397148959 593650636 645056138 794297918 1187301272 1290112276 1588595836 2580224552 3177191672 57732524351 71089663661 115465048702 142179327322 154490945051 230930097404 284358654644 308981890102 461860194808 568717309288 617963780204 1235927560408 27653879164129 55307758328258 110615516656516 221231033313032