Search a number
-
+
12405410538 = 232067568423
BaseRepresentation
bin10111000110110101…
…11000101011101010
31012000112222011001120
423203122320223222
5200401241114123
65410551000110
7616263151443
oct134332705352
935015864046
1012405410538
115296592604
1224a2669036
13122914ba11
148597d02ca
154c91522e3
hex2e36b8aea

12405410538 has 8 divisors (see below), whose sum is σ = 24810821088. Its totient is φ = 4135136844.

The previous prime is 12405410449. The next prime is 12405410609. The reversal of 12405410538 is 83501450421.

It is a sphenic number, since it is the product of 3 distinct primes.

12405410538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12405410499 and 12405410508.

It is an unprimeable number.

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, 1033784206 + ... + 1033784217.

It is an arithmetic number, because the mean of its divisors is an integer number (3101352636).

Almost surely, 212405410538 is an apocalyptic number.

12405410538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12405410538 is a wasteful number, since it uses less digits than its factorization.

12405410538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067568428.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 12405410538 its reverse (83501450421), we get a palindrome (95906860959).

The spelling of 12405410538 in words is "twelve billion, four hundred five million, four hundred ten thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 2067568423 4135136846 6202705269 12405410538