Search a number
-
+
53454031143 = 317818010381
BaseRepresentation
bin110001110010000110…
…111100100100100111
312002222022012010121020
4301302012330210213
51333433212444033
640320105222223
73601432524252
oct616206744447
9162868163536
1053454031143
1120740452847
12a439791973
13506b532a36
142831364099
1515ccc216b3
hexc721bc927

53454031143 has 4 divisors (see below), whose sum is σ = 71272041528. Its totient is φ = 35636020760.

The previous prime is 53454031087. The next prime is 53454031157. The reversal of 53454031143 is 34113045435.

53454031143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53454031143 - 221 = 53451933991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53454021143) 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, 8909005188 + ... + 8909005193.

It is an arithmetic number, because the mean of its divisors is an integer number (17818010382).

Almost surely, 253454031143 is an apocalyptic number.

53454031143 is a deficient number, since it is larger than the sum of its proper divisors (17818010385).

53454031143 is a wasteful number, since it uses less digits than its factorization.

53454031143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17818010384.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 53454031143 its reverse (34113045435), we get a palindrome (87567076578).

The spelling of 53454031143 in words is "fifty-three billion, four hundred fifty-four million, thirty-one thousand, one hundred forty-three".

Divisors: 1 3 17818010381 53454031143