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53580686787 = 331984469881
BaseRepresentation
bin110001111001101010…
…000110010111000011
312010022010111220111000
4301321222012113003
51334213123434122
640340432023043
73604531215555
oct617152062703
9163263456430
1053580686787
11207a59a0031
12a474091a83
13508b84a1c4
1428440d34d5
1515d8dde0ac
hexc79a865c3

53580686787 has 8 divisors (see below), whose sum is σ = 79378795280. Its totient is φ = 35720457840.

The previous prime is 53580686777. The next prime is 53580686791. The reversal of 53580686787 is 78768608535.

53580686787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53580686787 - 216 = 53580621251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53580686737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992234914 + ... + 992234967.

It is an arithmetic number, because the mean of its divisors is an integer number (9922349410).

Almost surely, 253580686787 is an apocalyptic number.

53580686787 is a deficient number, since it is larger than the sum of its proper divisors (25798108493).

53580686787 is a wasteful number, since it uses less digits than its factorization.

53580686787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984469890 (or 1984469884 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 53580686787 in words is "fifty-three billion, five hundred eighty million, six hundred eighty-six thousand, seven hundred eighty-seven".

Divisors: 1 3 9 27 1984469881 5953409643 17860228929 53580686787