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20542302353012 = 2211643726081661
BaseRepresentation
bin1001010101110111000001…
…01000100111011001110100
32200201211021101000101222112
410222323200220213121310
510143031113400244022
6111405000423350152
74220063254663436
oct452734050473164
980654241011875
1020542302353012
1165aaa3a161460
12237929b5b2358
13b601914a120b
14510377730656
152595446898e2
hex12aee0a27674

20542302353012 has 24 divisors (see below), whose sum is σ = 39278113587552. Its totient is φ = 9322888514400.

The previous prime is 20542302352997. The next prime is 20542302353051. The reversal of 20542302353012 is 21035320324502.

It is a self number, because there is not a number n which added to its sum of digits gives 20542302353012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363012539 + ... + 363069122.

It is an arithmetic number, because the mean of its divisors is an integer number (1636588066148).

Almost surely, 220542302353012 is an apocalyptic number.

20542302353012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20542302353012 is a deficient number, since it is larger than the sum of its proper divisors (18735811234540).

20542302353012 is a wasteful number, since it uses less digits than its factorization.

20542302353012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726082319 (or 726082317 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 20542302353012 its reverse (21035320324502), we get a palindrome (41577622677514).

The spelling of 20542302353012 in words is "twenty trillion, five hundred forty-two billion, three hundred two million, three hundred fifty-three thousand, twelve".

Divisors: 1 2 4 11 22 44 643 1286 2572 7073 14146 28292 726081661 1452163322 2904326644 7986898271 15973796542 31947593084 466870508023 933741016046 1867482032092 5135575588253 10271151176506 20542302353012