Search a number
-
+
11331501409 = 191840132411
BaseRepresentation
bin10101000110110100…
…01111110101100001
31002020201012220200101
422203122033311201
5141201331021114
65112225222401
7550543113154
oct124332176541
932221186611
1011331501409
1148953787a8
122242a91a01
1310b7804927
14796d23c9b
15464c21d74
hex2a368fd61

11331501409 has 8 divisors (see below), whose sum is σ = 11928912480. Its totient is φ = 10734192000.

The previous prime is 11331501407. The next prime is 11331501421. The reversal of 11331501409 is 90410513311.

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

It is a cyclic number.

It is not a de Polignac number, because 11331501409 - 21 = 11331501407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331501407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333414 + ... + 365824.

It is an arithmetic number, because the mean of its divisors is an integer number (1491114060).

Almost surely, 211331501409 is an apocalyptic number.

11331501409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11331501409 is a deficient number, since it is larger than the sum of its proper divisors (597411071).

11331501409 is a wasteful number, since it uses less digits than its factorization.

11331501409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50831.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 11331501409 in words is "eleven billion, three hundred thirty-one million, five hundred one thousand, four hundred nine".

Divisors: 1 19 18401 32411 349619 615809 596394811 11331501409