Search a number
-
+
63142251433 = 411540054913
BaseRepresentation
bin111010110011100100…
…100100101110101001
320000222111021201100221
4322303210210232221
52013303404021213
645001313330041
74363503165412
oct726344445651
9200874251327
1063142251433
1124862178078
12102a2266921
135c53759771
1430add28809
15199854538d
hexeb3924ba9

63142251433 has 4 divisors (see below), whose sum is σ = 64682306388. Its totient is φ = 61602196480.

The previous prime is 63142251407. The next prime is 63142251443. The reversal of 63142251433 is 33415224136.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35190758464 + 27951492969 = 187592^2 + 167187^2 .

It is a cyclic number.

It is not a de Polignac number, because 63142251433 - 221 = 63140154281 is a prime.

It is a super-3 number, since 3×631422514333 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63142251443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770027416 + ... + 770027497.

It is an arithmetic number, because the mean of its divisors is an integer number (16170576597).

Almost surely, 263142251433 is an apocalyptic number.

It is an amenable number.

63142251433 is a deficient number, since it is larger than the sum of its proper divisors (1540054955).

63142251433 is a wasteful number, since it uses less digits than its factorization.

63142251433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540054954.

The product of its digits is 51840, while the sum is 34.

Adding to 63142251433 its reverse (33415224136), we get a palindrome (96557475569).

The spelling of 63142251433 in words is "sixty-three billion, one hundred forty-two million, two hundred fifty-one thousand, four hundred thirty-three".

Divisors: 1 41 1540054913 63142251433