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52447705013 = 1119608941213
BaseRepresentation
bin110000110110001000…
…000111011110110101
312000101011121110200002
4300312020013132311
51324403103030023
640032200201045
73534463064654
oct606610073665
9160334543602
1052447705013
11202743a9060
12a1b8769185
134c3abbc2a2
14277784b19b
15156e6e0b28
hexc362077b5

52447705013 has 16 divisors (see below), whose sum is σ = 60238382400. Its totient is φ = 45161758080.

The previous prime is 52447705001. The next prime is 52447705019. The reversal of 52447705013 is 31050774425.

52447705013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52447705013 - 26 = 52447704949 is a prime.

It is a super-2 number, since 2×524477050132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52447705019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1251995 + ... + 1293207.

It is an arithmetic number, because the mean of its divisors is an integer number (3764898900).

Almost surely, 252447705013 is an apocalyptic number.

It is an amenable number.

52447705013 is a deficient number, since it is larger than the sum of its proper divisors (7790677387).

52447705013 is a wasteful number, since it uses less digits than its factorization.

52447705013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47332.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 52447705013 in words is "fifty-two billion, four hundred forty-seven million, seven hundred five thousand, thirteen".

Divisors: 1 11 19 209 6089 41213 66979 115691 453343 783047 1272601 8613517 250945957 2760405527 4767973183 52447705013