Search a number
-
+
51030120622 = 2136737291331
BaseRepresentation
bin101111100001101000…
…011101100010101110
311212201101011201110111
4233201220131202232
51314002202324442
635235400330234
73454400603605
oct574150354256
9155641151414
1051030120622
111a707199a08
129a81a7397a
134a732c4a60
14268147ca3c
1514da025b17
hexbe1a1d8ae

51030120622 has 16 divisors (see below), whose sum is σ = 82445790672. Its totient is φ = 23548786560.

The previous prime is 51030120587. The next prime is 51030120629. The reversal of 51030120622 is 22602103015.

It is a junction number, because it is equal to n+sod(n) for n = 51030120593 and 51030120602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51030120629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29497 + ... + 320827.

It is an arithmetic number, because the mean of its divisors is an integer number (5152861917).

Almost surely, 251030120622 is an apocalyptic number.

51030120622 is a deficient number, since it is larger than the sum of its proper divisors (31415670050).

51030120622 is a wasteful number, since it uses less digits than its factorization.

51030120622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298083.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 51030120622 its reverse (22602103015), we get a palindrome (73632223637).

The spelling of 51030120622 in words is "fifty-one billion, thirty million, one hundred twenty thousand, six hundred twenty-two".

Divisors: 1 2 13 26 6737 13474 87581 175162 291331 582662 3787303 7574606 1962696947 3925393894 25515060311 51030120622