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51210211351022 = 21391448912713741
BaseRepresentation
bin10111010010011010011100…
…11101001101100111101110
320201022122111200022202100022
423221031032131031213232
523203012003101213042
6300525351334402142
713533546530240633
oct1351151635154756
9221278450282308
1051210211351022
1115354146295359
1258b0a70200352
132276143727c09
14c90831d9018a
155dc166055cd2
hex2e934e74d9ee

51210211351022 has 16 divisors (see below), whose sum is σ = 77373291063600. Its totient is φ = 25419139786560.

The previous prime is 51210211351009. The next prime is 51210211351043. The reversal of 51210211351022 is 22015311201215.

It is a junction number, because it is equal to n+sod(n) for n = 51210211350982 and 51210211351000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328929 + ... + 10384812.

It is an arithmetic number, because the mean of its divisors is an integer number (4835830691475).

Almost surely, 251210211351022 is an apocalyptic number.

51210211351022 is a deficient number, since it is larger than the sum of its proper divisors (26163079712578).

51210211351022 is a wasteful number, since it uses less digits than its factorization.

51210211351022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728371.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 51210211351022 its reverse (22015311201215), we get a palindrome (73225522552237).

The spelling of 51210211351022 in words is "fifty-one trillion, two hundred ten billion, two hundred eleven million, three hundred fifty-one thousand, twenty-two".

Divisors: 1 2 139 278 14489 28978 2013971 4027942 12713741 25427482 1767209999 3534419998 184209393349 368418786698 25605105675511 51210211351022