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20223154450055 = 5238911031791371
BaseRepresentation
bin1001001100100100100011…
…11011111110111010000111
32122121022111101221010101102
410212102101323332322013
510122314010014400210
6111002220000250315
74155034422401114
oct446222173767207
978538441833342
1020223154450055
11649765651a277
12232747161099b
13b3905c68b61b
144dcb3d55390b
152510b5e77ea5
hex126491efee87

20223154450055 has 32 divisors (see below), whose sum is σ = 25630663956480. Its totient is φ = 15287350946560.

The previous prime is 20223154449997. The next prime is 20223154450087. The reversal of 20223154450055 is 55005445132202.

It is not a de Polignac number, because 20223154450055 - 216 = 20223154384519 is a prime.

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, 10393520 + ... + 12184890.

It is an arithmetic number, because the mean of its divisors is an integer number (800958248640).

Almost surely, 220223154450055 is an apocalyptic number.

20223154450055 is a deficient number, since it is larger than the sum of its proper divisors (5407509506425).

20223154450055 is a wasteful number, since it uses less digits than its factorization.

20223154450055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792591.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 20223154450055 its reverse (55005445132202), we get a palindrome (75228599582257).

The spelling of 20223154450055 in words is "twenty trillion, two hundred twenty-three billion, one hundred fifty-four million, four hundred fifty thousand, fifty-five".

Divisors: 1 5 23 89 115 445 1103 2047 5515 10235 25369 98167 126845 490835 1791371 2257841 8956855 11289205 41201533 159432019 206007665 797160095 1975882213 3666936437 9879411065 18334682185 45445290899 175853516957 227226454495 879267584785 4044630890011 20223154450055