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51422054205 = 353428136947
BaseRepresentation
bin101111111000111111…
…100100011100111101
311220201200200000021010
4233320333210130331
51320303021213310
635342321025433
73500200151244
oct577077443475
9156650600233
1051422054205
111a898455465
129b71185279
134b06570912
1426bb54395b
15150e644320
hexbf8fe473d

51422054205 has 8 divisors (see below), whose sum is σ = 82275286752. Its totient is φ = 27425095568.

The previous prime is 51422054197. The next prime is 51422054209. The reversal of 51422054205 is 50245022415.

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

It is a cyclic number.

It is not a de Polignac number, because 51422054205 - 23 = 51422054197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51422054209) 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, 1714068459 + ... + 1714068488.

It is an arithmetic number, because the mean of its divisors is an integer number (10284410844).

Almost surely, 251422054205 is an apocalyptic number.

It is an amenable number.

51422054205 is a deficient number, since it is larger than the sum of its proper divisors (30853232547).

51422054205 is a wasteful number, since it uses less digits than its factorization.

51422054205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428136955.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 51422054205 in words is "fifty-one billion, four hundred twenty-two million, fifty-four thousand, two hundred five".

Divisors: 1 3 5 15 3428136947 10284410841 17140684735 51422054205