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51504133041 = 331907560483
BaseRepresentation
bin101111111101111000…
…101011001110110001
311220221102010001021000
4233331320223032301
51320440024224131
635354412152213
73502214623164
oct577570531661
9156842101230
1051504133041
111a92a816509
129b94768669
134b1a57b28a
1426c83cbadb
151516958ce6
hexbfde2b3b1

51504133041 has 8 divisors (see below), whose sum is σ = 76302419360. Its totient is φ = 34336088676.

The previous prime is 51504133007. The next prime is 51504133069. The reversal of 51504133041 is 14033140515.

It is a happy number.

It is not a de Polignac number, because 51504133041 - 213 = 51504124849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1907560483 = 51504133041 / (5 + 1 + 5 + 0 + 4 + 1 + 3 + 3 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51504132996 and 51504133014.

It is not an unprimeable number, because it can be changed into a prime (51504134041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 953780215 + ... + 953780268.

It is an arithmetic number, because the mean of its divisors is an integer number (9537802420).

Almost surely, 251504133041 is an apocalyptic number.

It is an amenable number.

51504133041 is a deficient number, since it is larger than the sum of its proper divisors (24798286319).

51504133041 is a wasteful number, since it uses less digits than its factorization.

51504133041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907560492 (or 1907560486 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51504133041 its reverse (14033140515), we get a palindrome (65537273556).

The spelling of 51504133041 in words is "fifty-one billion, five hundred four million, one hundred thirty-three thousand, forty-one".

Divisors: 1 3 9 27 1907560483 5722681449 17168044347 51504133041