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55123631632146 = 23711119315219983
BaseRepresentation
bin11001000100010011110000…
…11110110110111100010010
321020011202201200000000210210
430202021320132312330102
524211121144144212041
6313123240300504550
714416356656624430
oct1442117036667422
9236152650000723
1055123631632146
1116622889a93750
1262233b484b156
13249b1a01a855c
14d87dd875bd50
15658d5b096016
hex3222787b6f12

55123631632146 has 32 divisors (see below), whose sum is σ = 137451133421568. Its totient is φ = 14317826397840.

The previous prime is 55123631632127. The next prime is 55123631632159. The reversal of 55123631632146 is 64123613632155.

55123631632146 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 2×551236316321462 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55123631632095 and 55123631632104.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59657609530 + ... + 59657610453.

It is an arithmetic number, because the mean of its divisors is an integer number (4295347919424).

Almost surely, 255123631632146 is an apocalyptic number.

55123631632146 is an abundant number, since it is smaller than the sum of its proper divisors (82327501789422).

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

55123631632146 is a wasteful number, since it uses less digits than its factorization.

55123631632146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119315220006.

The product of its digits is 2332800, while the sum is 48.

Subtracting 55123631632146 from its reverse (64123613632155), we obtain a square (8999982000009 = 29999972).

The spelling of 55123631632146 in words is "fifty-five trillion, one hundred twenty-three billion, six hundred thirty-one million, six hundred thirty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 119315219983 238630439966 357945659949 715891319898 835206539881 1312467419813 1670413079762 2505619619643 2624934839626 3937402259439 5011239239286 7874804518878 9187271938691 18374543877382 27561815816073 55123631632146