Search a number
-
+
51062075898 = 238510345983
BaseRepresentation
bin101111100011100010…
…010111000111111010
311212210121022012212020
4233203202113013322
51314033342412043
635242501255310
73455236324641
oct574342270772
9155717265766
1051062075898
111a723235429
129a90704536
134a79b029c2
1426857da358
1514dcc38e83
hexbe38971fa

51062075898 has 8 divisors (see below), whose sum is σ = 102124151808. Its totient is φ = 17020691964.

The previous prime is 51062075887. The next prime is 51062075899. The reversal of 51062075898 is 89857026015.

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

51062075898 is an admirable number.

It is a super-2 number, since 2×510620758982 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51062075898.

It is not an unprimeable number, because it can be changed into a prime (51062075899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255172986 + ... + 4255172997.

It is an arithmetic number, because the mean of its divisors is an integer number (12765518976).

Almost surely, 251062075898 is an apocalyptic number.

51062075898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51062075898 is a wasteful number, since it uses less digits than its factorization.

51062075898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510345988.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 51062075898 in words is "fifty-one billion, sixty-two million, seventy-five thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 8510345983 17020691966 25531037949 51062075898