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51134055773 = 215992367427
BaseRepresentation
bin101111100111110100…
…111100010101011101
311212222121202011200112
4233213310330111131
51314210304241043
635253552135405
73460102205543
oct574764742535
9155877664615
1051134055773
111a75a928a29
129ab0837565
134a8b9b5748
1426911b5d93
1514e4206518
hexbe7d3c55d

51134055773 has 4 divisors (see below), whose sum is σ = 51136444800. Its totient is φ = 51131666748.

The previous prime is 51134055769. The next prime is 51134055779. The reversal of 51134055773 is 37755043115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51134055773 - 22 = 51134055769 is a prime.

It is a super-2 number, since 2×511340557732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51134055773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51134055779) 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 3 ways as a sum of consecutive naturals, for example, 1162115 + ... + 1205312.

It is an arithmetic number, because the mean of its divisors is an integer number (12784111200).

Almost surely, 251134055773 is an apocalyptic number.

It is an amenable number.

51134055773 is a deficient number, since it is larger than the sum of its proper divisors (2389027).

51134055773 is a wasteful number, since it uses less digits than its factorization.

51134055773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389026.

The product of its (nonzero) digits is 220500, while the sum is 41.

Adding to 51134055773 its reverse (37755043115), we get a palindrome (88889098888).

The spelling of 51134055773 in words is "fifty-one billion, one hundred thirty-four million, fifty-five thousand, seven hundred seventy-three".

Divisors: 1 21599 2367427 51134055773