Search a number
-
+
63141131 = 73864947
BaseRepresentation
bin1111000011011…
…1010100001011
311101210220100102
43300313110023
5112131004011
610133200015
71364455634
oct360672413
9141726312
1063141131
1132706959
121919000b
1310109921
14855888b
15582373b
hex3c3750b

63141131 has 4 divisors (see below), whose sum is σ = 64006152. Its totient is φ = 62276112.

The previous prime is 63141119. The next prime is 63141181. The reversal of 63141131 is 13114136.

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 63141131 - 210 = 63140107 is a prime.

It is a super-2 number, since 2×631411312 = 7973604847918322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63141101) 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, 432401 + ... + 432546.

It is an arithmetic number, because the mean of its divisors is an integer number (16001538).

Almost surely, 263141131 is an apocalyptic number.

63141131 is a deficient number, since it is larger than the sum of its proper divisors (865021).

63141131 is an equidigital number, since it uses as much as digits as its factorization.

63141131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865020.

The product of its digits is 216, while the sum is 20.

The square root of 63141131 is about 7946.1393770812. The cubic root of 63141131 is about 398.2026252906.

Adding to 63141131 its reverse (13114136), we get a palindrome (76255267).

The spelling of 63141131 in words is "sixty-three million, one hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 73 864947 63141131