Search a number
-
+
51363014906 = 27217191622639
BaseRepresentation
bin101111110101011110…
…010110100011111010
311220120120120111120102
4233311132112203322
51320142412434111
635332411355402
73465552265100
oct576536264372
9156516514512
1051363014906
111a8680a0355
129b55452b62
134ac726c018
1426b3775c70
15150938113b
hexbf57968fa

51363014906 has 48 divisors (see below), whose sum is σ = 99889718400. Its totient is φ = 19627429248.

The previous prime is 51363014897. The next prime is 51363014909. The reversal of 51363014906 is 60941036315.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 51363014906.

It is not an unprimeable number, because it can be changed into a prime (51363014909) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 779666 + ... + 842973.

It is an arithmetic number, because the mean of its divisors is an integer number (2081035800).

Almost surely, 251363014906 is an apocalyptic number.

51363014906 is a deficient number, since it is larger than the sum of its proper divisors (48526703494).

51363014906 is a wasteful number, since it uses less digits than its factorization.

51363014906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622691 (or 1622684 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 51363014906 in words is "fifty-one billion, three hundred sixty-three million, fourteen thousand, nine hundred six".

Divisors: 1 2 7 14 17 19 34 38 49 98 119 133 238 266 323 646 833 931 1666 1862 2261 4522 15827 31654 1622639 3245278 11358473 22716946 27584863 30830141 55169726 61660282 79509311 159018622 193094041 215810987 386188082 431621974 524112397 1048224794 1351658287 1510676909 2703316574 3021353818 3668786779 7337573558 25681507453 51363014906