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20554422454050 = 2352181757068967
BaseRepresentation
bin1001010110001101100110…
…00011001000011100100010
32200202222120001010022222120
410223012303003020130202
510143230424122012200
6111414323223245110
74221002515102122
oct453066303103442
980688501108876
1020554422454050
116605099693791
12237b7025a9796
13b61373496934
14510ba7292c82
15259a037309a0
hex12b1b30c8722

20554422454050 has 48 divisors (see below), whose sum is σ = 51256597409472. Its totient is φ = 5450896555200.

The previous prime is 20554422454043. The next prime is 20554422454121. The reversal of 20554422454050 is 5045422445502.

It is a happy number.

It is a super-2 number, since 2×205544224540502 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20554422453993 and 20554422454011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378507334 + ... + 378561633.

It is an arithmetic number, because the mean of its divisors is an integer number (1067845779364).

Almost surely, 220554422454050 is an apocalyptic number.

20554422454050 is an abundant number, since it is smaller than the sum of its proper divisors (30702174955422).

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

20554422454050 is a wasteful number, since it uses less digits than its factorization.

20554422454050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757069163 (or 757069158 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 42.

Adding to 20554422454050 its reverse (5045422445502), we get a palindrome (25599844899552).

The spelling of 20554422454050 in words is "twenty trillion, five hundred fifty-four billion, four hundred twenty-two million, four hundred fifty-four thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 181 362 543 905 1086 1810 2715 4525 5430 9050 13575 27150 757068967 1514137934 2271206901 3785344835 4542413802 7570689670 11356034505 18926724175 22712069010 37853448350 56780172525 113560345050 137029483027 274058966054 411088449081 685147415135 822176898162 1370294830270 2055442245405 3425737075675 4110884490810 6851474151350 10277211227025 20554422454050