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51343342534 = 21119122830963
BaseRepresentation
bin101111110100010011…
…010011101111000110
311220112012120001011001
4233310103103233012
51320122343430114
635330430003514
73465223132201
oct576423235706
9156465501131
1051343342534
111a857a841a0
129b4a94659a
134ac3171a73
1426b0cd4938
151507797374
hexbf44d3bc6

51343342534 has 16 divisors (see below), whose sum is σ = 88438294080. Its totient is φ = 22109573160.

The previous prime is 51343342529. The next prime is 51343342537. The reversal of 51343342534 is 43524334315.

It is a happy number.

It is a super-3 number, since 3×513433425343 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 51343342493 and 51343342502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343342537) 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, 61415064 + ... + 61415899.

It is an arithmetic number, because the mean of its divisors is an integer number (5527393380).

Almost surely, 251343342534 is an apocalyptic number.

51343342534 is a deficient number, since it is larger than the sum of its proper divisors (37094951546).

51343342534 is a wasteful number, since it uses less digits than its factorization.

51343342534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122830995.

The product of its digits is 259200, while the sum is 37.

Adding to 51343342534 its reverse (43524334315), we get a palindrome (94867676849).

The spelling of 51343342534 in words is "fifty-one billion, three hundred forty-three million, three hundred forty-two thousand, five hundred thirty-four".

Divisors: 1 2 11 19 22 38 209 418 122830963 245661926 1351140593 2333788297 2702281186 4667576594 25671671267 51343342534