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61416504103120 = 245767706301289
BaseRepresentation
bin11011111011011101001001…
…11010010001000011010000
322001110100201202202121201121
431331232210322101003100
531022222000022244440
6334342204045212024
715636124140232255
oct1575564472210320
9261410652677647
1061416504103120
1118629658494341
126a7ab1ab61014
1328367227cc14a
141124808c1742c
157178b6ad234a
hex37dba4e910d0

61416504103120 has 20 divisors (see below), whose sum is σ = 142793372039940. Its totient is φ = 24566601641216.

The previous prime is 61416504103033. The next prime is 61416504103217. The reversal of 61416504103120 is 2130140561416.

61416504103120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24220020475456 + 37196483627664 = 4921384^2 + 6098892^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 383853150565 + ... + 383853150724.

It is an arithmetic number, because the mean of its divisors is an integer number (7139668601997).

Almost surely, 261416504103120 is an apocalyptic number.

It is an amenable number.

61416504103120 is an abundant number, since it is smaller than the sum of its proper divisors (81376867936820).

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

61416504103120 is a wasteful number, since it uses less digits than its factorization.

61416504103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767706301302 (or 767706301296 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 61416504103120 its reverse (2130140561416), we get a palindrome (63546644664536).

The spelling of 61416504103120 in words is "sixty-one trillion, four hundred sixteen billion, five hundred four million, one hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 767706301289 1535412602578 3070825205156 3838531506445 6141650410312 7677063012890 12283300820624 15354126025780 30708252051560 61416504103120