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51345305411 = 173977607839
BaseRepresentation
bin101111110100011010…
…110010111101000011
311220112100020202201012
4233310122302331003
51320123344233121
635330540031135
73465245615651
oct576432627503
9156470222635
1051345305411
111a8590a4a04
129b4b5324ab
134ac36ab32a
1426b1285dd1
151507a33c5b
hexbf46b2f43

51345305411 has 8 divisors (see below), whose sum is σ = 54502565760. Its totient is φ = 48203261568.

The previous prime is 51345305383. The next prime is 51345305413. The reversal of 51345305411 is 11450354315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51345305411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51345305413) 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, 3797171 + ... + 3810668.

It is an arithmetic number, because the mean of its divisors is an integer number (6812820720).

Almost surely, 251345305411 is an apocalyptic number.

51345305411 is a deficient number, since it is larger than the sum of its proper divisors (3157260349).

51345305411 is a wasteful number, since it uses less digits than its factorization.

51345305411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608253.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 51345305411 its reverse (11450354315), we get a palindrome (62795659726).

The spelling of 51345305411 in words is "fifty-one billion, three hundred forty-five million, three hundred five thousand, four hundred eleven".

Divisors: 1 17 397 6749 7607839 129333263 3020312083 51345305411