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65054172104 = 238131771513
BaseRepresentation
bin111100100101100001…
…111110001111001000
320012220201220100110122
4330211201332033020
52031212332001404
645515132402412
74462050224225
oct744541761710
9205821810418
1065054172104
11256534253a9
1210736616408
1361998a517c
143211c1694c
151a5b30a3be
hexf2587e3c8

65054172104 has 8 divisors (see below), whose sum is σ = 121976572710. Its totient is φ = 32527086048.

The previous prime is 65054172083. The next prime is 65054172109. The reversal of 65054172104 is 40127145056.

It can be written as a sum of positive squares in only one way, i.e., 62965864900 + 2088307204 = 250930^2 + 45698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (65054172109) by changing a digit.

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 as a sum of consecutive naturals, namely, 4065885749 + ... + 4065885764.

Almost surely, 265054172104 is an apocalyptic number.

It is an amenable number.

65054172104 is a deficient number, since it is larger than the sum of its proper divisors (56922400606).

65054172104 is a wasteful number, since it uses less digits than its factorization.

65054172104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131771519 (or 8131771515 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 65054172104 in words is "sixty-five billion, fifty-four million, one hundred seventy-two thousand, one hundred four".

Divisors: 1 2 4 8 8131771513 16263543026 32527086052 65054172104