Search a number
-
+
53311305043 = 260992042657
BaseRepresentation
bin110001101001100110…
…011111010101010011
312002121100121220012101
4301221212133111103
51333140143230133
640254010141231
73565050421213
oct615146372523
9162540556171
1053311305043
1120677929597
12a3b9a21817
135047aac919
14281a410243
1515c042c37d
hexc6999f553

53311305043 has 4 divisors (see below), whose sum is σ = 53313373800. Its totient is φ = 53309236288.

The previous prime is 53311305041. The next prime is 53311305049. The reversal of 53311305043 is 34050311335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53311305043 - 21 = 53311305041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53311305041) 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, 995230 + ... + 1047427.

It is an arithmetic number, because the mean of its divisors is an integer number (13328343450).

Almost surely, 253311305043 is an apocalyptic number.

53311305043 is a deficient number, since it is larger than the sum of its proper divisors (2068757).

53311305043 is a wasteful number, since it uses less digits than its factorization.

53311305043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068756.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 53311305043 its reverse (34050311335), we get a palindrome (87361616378).

The spelling of 53311305043 in words is "fifty-three billion, three hundred eleven million, three hundred five thousand, forty-three".

Divisors: 1 26099 2042657 53311305043