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51514350242 = 256367367979
BaseRepresentation
bin101111111110011111…
…101001101010100010
311220222010100010121212
4233332133221222202
51321000133201432
635355415150122
73502400516015
oct577637515242
9156863303555
1051514350242
111a935564883
129b98075342
134b1c717964
1426c98cb37c
1515177c62b2
hexbfe7e9aa2

51514350242 has 16 divisors (see below), whose sum is σ = 77524935840. Its totient is φ = 25672843392.

The previous prime is 51514350203. The next prime is 51514350253. The reversal of 51514350242 is 24205341515.

It is a junction number, because it is equal to n+sod(n) for n = 51514350199 and 51514350208.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 723809 + ... + 791787.

It is an arithmetic number, because the mean of its divisors is an integer number (4845308490).

Almost surely, 251514350242 is an apocalyptic number.

51514350242 is a deficient number, since it is larger than the sum of its proper divisors (26010585598).

51514350242 is a wasteful number, since it uses less digits than its factorization.

51514350242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69217.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 51514350242 its reverse (24205341515), we get a palindrome (75719691757).

The spelling of 51514350242 in words is "fifty-one billion, five hundred fourteen million, three hundred fifty thousand, two hundred forty-two".

Divisors: 1 2 563 673 1126 1346 67979 135958 378899 757798 38272177 45749867 76544354 91499734 25757175121 51514350242