Search a number
-
+
5205353531 = 7743621933
BaseRepresentation
bin1001101100100001…
…10110010000111011
3111102202210100122112
410312100312100323
541130032303111
62220304442535
7242664526550
oct46620662073
914382710575
105205353531
112231317174
12101331944b
1364c56b861
14375478a27
15206ebbe8b
hex13643643b

5205353531 has 4 divisors (see below), whose sum is σ = 5948975472. Its totient is φ = 4461731592.

The previous prime is 5205353423. The next prime is 5205353599. The reversal of 5205353531 is 1353535025.

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 5205353531 - 226 = 5138244667 is a prime.

It is a super-2 number, since 2×52053535312 = 54191410765388335922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205350531) 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, 371810960 + ... + 371810973.

It is an arithmetic number, because the mean of its divisors is an integer number (1487243868).

Almost surely, 25205353531 is an apocalyptic number.

5205353531 is a deficient number, since it is larger than the sum of its proper divisors (743621941).

5205353531 is an equidigital number, since it uses as much as digits as its factorization.

5205353531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743621940.

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 5205353531 is about 72148.1360188882. The cubic root of 5205353531 is about 1733.0725500870.

Adding to 5205353531 its reverse (1353535025), we get a palindrome (6558888556).

The spelling of 5205353531 in words is "five billion, two hundred five million, three hundred fifty-three thousand, five hundred thirty-one".

Divisors: 1 7 743621933 5205353531