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53813831838729 = 386998719236503
BaseRepresentation
bin11000011110001100000100…
…10101001010110000001001
321001112112220110121111020220
430033012002111022300021
524023141211422314404
6310241422201340253
714222630630235534
oct1417060225126011
9231475813544226
1053813831838729
1116168355170736
126051593497689
132404812a20cb1
14d40863887a1b
15634c4bb5d4d9
hex30f18254ac09

53813831838729 has 16 divisors (see below), whose sum is σ = 71768557824000. Its totient is φ = 35867497888656.

The previous prime is 53813831838719. The next prime is 53813831838743. The reversal of 53813831838729 is 92783813831835.

It is not a de Polignac number, because 53813831838729 - 215 = 53813831805961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53813831838719) 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, 227421492 + ... + 227657994.

It is an arithmetic number, because the mean of its divisors is an integer number (4485534864000).

Almost surely, 253813831838729 is an apocalyptic number.

It is an amenable number.

53813831838729 is a deficient number, since it is larger than the sum of its proper divisors (17954725985271).

53813831838729 is a wasteful number, since it uses less digits than its factorization.

53813831838729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253924.

The product of its digits is 209018880, while the sum is 69.

The spelling of 53813831838729 in words is "fifty-three trillion, eight hundred thirteen billion, eight hundred thirty-one million, eight hundred thirty-eight thousand, seven hundred twenty-nine".

Divisors: 1 3 8699 8719 26097 26157 236503 709509 75846581 227539743 2057339597 2062069657 6172018791 6186208971 17937943946243 53813831838729