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51234142462 = 2171506886543
BaseRepresentation
bin101111101101110010…
…101111100011111110
311220020121002002210221
4233231302233203332
51314411420024322
635311525251554
73462426011506
oct575562574376
9156217062727
1051234142462
111a8013795a8
129b1a263bba
134aa6659839
1426a05caa06
1514ecdc69c7
hexbedcaf8fe

51234142462 has 8 divisors (see below), whose sum is σ = 81371873376. Its totient is φ = 24110184672.

The previous prime is 51234142459. The next prime is 51234142489. The reversal of 51234142462 is 26424143215.

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

It is a super-2 number, since 2×512341424622 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1506886543 = 51234142462 / (5 + 1 + 2 + 3 + 4 + 1 + 4 + 2 + 4 + 6 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753443238 + ... + 753443305.

It is an arithmetic number, because the mean of its divisors is an integer number (10171484172).

Almost surely, 251234142462 is an apocalyptic number.

51234142462 is a deficient number, since it is larger than the sum of its proper divisors (30137730914).

51234142462 is a wasteful number, since it uses less digits than its factorization.

51234142462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506886562.

The product of its digits is 46080, while the sum is 34.

Adding to 51234142462 its reverse (26424143215), we get a palindrome (77658285677).

The spelling of 51234142462 in words is "fifty-one billion, two hundred thirty-four million, one hundred forty-two thousand, four hundred sixty-two".

Divisors: 1 2 17 34 1506886543 3013773086 25617071231 51234142462