Search a number
-
+
11407240505 = 56481352021
BaseRepresentation
bin10101001111110110…
…01010110100111001
31002102222201212012002
422213323022310321
5141330223144010
65123532430345
7552452641643
oct124773126471
932388655162
1011407240505
1149240a96a1
1222643183b5
1310ca40276b
147a2ddb893
1546b6d31a5
hex2a7ecad39

11407240505 has 8 divisors (see below), whose sum is σ = 13690839624. Its totient is φ = 9124358400.

The previous prime is 11407240483. The next prime is 11407240519. The reversal of 11407240505 is 50504270411.

It can be written as a sum of positive squares in 4 ways, for example, as 557101609 + 10850138896 = 23603^2 + 104164^2 .

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

It is not a de Polignac number, because 11407240505 - 28 = 11407240249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143606 + ... + 208415.

It is an arithmetic number, because the mean of its divisors is an integer number (1711354953).

Almost surely, 211407240505 is an apocalyptic number.

It is an amenable number.

11407240505 is a deficient number, since it is larger than the sum of its proper divisors (2283599119).

11407240505 is an equidigital number, since it uses as much as digits as its factorization.

11407240505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358507.

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 11407240505 in words is "eleven billion, four hundred seven million, two hundred forty thousand, five hundred five".

Divisors: 1 5 6481 32405 352021 1760105 2281448101 11407240505