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64122542110613 = 746119870635919
BaseRepresentation
bin11101001010001101100010…
…10110000011011110010101
322102001001111012200102120202
432211012301112003132111
531401040431240014423
6344213253355110245
716335462240621260
oct1645066126033625
9272031435612522
1064122542110613
1119482243394158
127237465742385
1329a1964415b3c
1411b9794871cd7
15762e93cab728
hex3a51b1583795

64122542110613 has 8 divisors (see below), whose sum is σ = 73441870360320. Its totient is φ = 54842955133680.

The previous prime is 64122542110603. The next prime is 64122542110631. The reversal of 64122542110613 is 31601124522146.

64122542110613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64122542110613 - 220 = 64122541062037 is a prime.

It is a super-2 number, since 2×641225421106132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64122542110603) 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 7 ways as a sum of consecutive naturals, for example, 9935314733 + ... + 9935321186.

It is an arithmetic number, because the mean of its divisors is an integer number (9180233795040).

Almost surely, 264122542110613 is an apocalyptic number.

It is an amenable number.

64122542110613 is a deficient number, since it is larger than the sum of its proper divisors (9319328249707).

64122542110613 is a wasteful number, since it uses less digits than its factorization.

64122542110613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19870636387.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 64122542110613 its reverse (31601124522146), we get a palindrome (95723666632759).

The spelling of 64122542110613 in words is "sixty-four trillion, one hundred twenty-two billion, five hundred forty-two million, one hundred ten thousand, six hundred thirteen".

Divisors: 1 7 461 3227 19870635919 139094451433 9160363158659 64122542110613