Search a number
-
+
51335055143 = 223233998419
BaseRepresentation
bin101111110011110011…
…101100011100100111
311220111121221222222122
4233303303230130213
51320113233231033
635325532220155
73465062524541
oct576363543447
9156447858878
1051335055143
111a853333809
129b4800a65b
134ac152c898
1426adb78691
151506baba98
hexbf3cec727

51335055143 has 8 divisors (see below), whose sum is σ = 51587827200. Its totient is φ = 51082485048.

The previous prime is 51335055119. The next prime is 51335055157. The reversal of 51335055143 is 34155053315.

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

It is a cyclic number.

It is not a de Polignac number, because 51335055143 - 222 = 51330860839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51335055103) 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 7 ways as a sum of consecutive naturals, for example, 472388 + ... + 570806.

It is an arithmetic number, because the mean of its divisors is an integer number (6448478400).

Almost surely, 251335055143 is an apocalyptic number.

51335055143 is a deficient number, since it is larger than the sum of its proper divisors (252772057).

51335055143 is a wasteful number, since it uses less digits than its factorization.

51335055143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100981.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 51335055143 in words is "fifty-one billion, three hundred thirty-five million, fifty-five thousand, one hundred forty-three".

Divisors: 1 223 2339 98419 521597 21947437 230202041 51335055143