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221303121030030 = 235134525912537703
BaseRepresentation
bin110010010100011000100101…
…111010101010101110001110
31002000120101001000012202210010
4302110120211322222232032
5213001312242440430110
62102401130021454050
764420423433335044
oct6224304572525616
91060511030182703
10221303121030030
1164572143508636
12209a203b571326
139663a44149280
143c911b1b3a394
151a8b906d4a020
hexc94625eaab8e

221303121030030 has 64 divisors (see below), whose sum is σ = 571996134904320. Its totient is φ = 54473406443136.

The previous prime is 221303121030001. The next prime is 221303121030109. The reversal of 221303121030030 is 30030121303122.

221303121030030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221303121029979 and 221303121030006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11382159 + ... + 23919861.

It is an arithmetic number, because the mean of its divisors is an integer number (8937439607880).

Almost surely, 2221303121030030 is an apocalyptic number.

221303121030030 is an abundant number, since it is smaller than the sum of its proper divisors (350693013874290).

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

221303121030030 is a wasteful number, since it uses less digits than its factorization.

221303121030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582985.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 221303121030030 its reverse (30030121303122), we get a palindrome (251333242333152).

The spelling of 221303121030030 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred twenty-one million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 45259 90518 135777 226295 271554 452590 588367 678885 1176734 1357770 1765101 2941835 3530202 5883670 8825505 12537703 17651010 25075406 37613109 62688515 75226218 125377030 162990139 188065545 325980278 376131090 488970417 814950695 977940834 1629901390 2444852085 4889704170 567443900077 1134887800154 1702331700231 2837219500385 3404663400462 5674439000770 7376770701001 8511658501155 14753541402002 17023317002310 22130312103003 36883853505005 44260624206006 73767707010010 110651560515015 221303121030030