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51113403125444 = 22111161668252851
BaseRepresentation
bin10111001111100110001000…
…01111001000111011000100
320200222101121221120100111002
423213303010033020323010
523144420222200003234
6300413101230232432
713523551531013132
oct1347630417107304
9220871557510432
1051113403125444
11153170885a4660
125896153355718
132269c86266cba
14c89c8abb6752
155d989c14227e
hex2e7cc43c8ec4

51113403125444 has 12 divisors (see below), whose sum is σ = 97580133239568. Its totient is φ = 23233365057000.

The previous prime is 51113403125443. The next prime is 51113403125537. The reversal of 51113403125444 is 44452130431115.

51113403125444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511134031254442 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51113403125398 and 51113403125407.

It is not an unprimeable number, because it can be changed into a prime (51113403125443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 580834126382 + ... + 580834126469.

It is an arithmetic number, because the mean of its divisors is an integer number (8131677769964).

Almost surely, 251113403125444 is an apocalyptic number.

It is an amenable number.

51113403125444 is a deficient number, since it is larger than the sum of its proper divisors (46466730114124).

51113403125444 is a wasteful number, since it uses less digits than its factorization.

51113403125444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161668252866 (or 1161668252864 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 51113403125444 its reverse (44452130431115), we get a palindrome (95565533556559).

The spelling of 51113403125444 in words is "fifty-one trillion, one hundred thirteen billion, four hundred three million, one hundred twenty-five thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 1161668252851 2323336505702 4646673011404 12778350781361 25556701562722 51113403125444