Search a number
-
+
2111342455 = 51724839323
BaseRepresentation
bin111110111011000…
…1000011101110111
312110010212022100201
41331312020131313
513311000424310
6545301221331
7103215054235
oct17566103567
95403768321
102111342455
11993885922
124ab101847
1327855c781
1416059d955
15c5557e3a
hex7dd88777

2111342455 has 8 divisors (see below), whose sum is σ = 2682646992. Its totient is φ = 1589716608.

The previous prime is 2111342447. The next prime is 2111342479. The reversal of 2111342455 is 5542431112.

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 2111342455 - 23 = 2111342447 is a prime.

It is a Duffinian number.

It is a congruent 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, 12419577 + ... + 12419746.

It is an arithmetic number, because the mean of its divisors is an integer number (335330874).

Almost surely, 22111342455 is an apocalyptic number.

2111342455 is a deficient number, since it is larger than the sum of its proper divisors (571304537).

2111342455 is a wasteful number, since it uses less digits than its factorization.

2111342455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24839345.

The product of its digits is 4800, while the sum is 28.

The square root of 2111342455 is about 45949.3466221229. The cubic root of 2111342455 is about 1282.8805680413.

Adding to 2111342455 its reverse (5542431112), we get a palindrome (7653773567).

The spelling of 2111342455 in words is "two billion, one hundred eleven million, three hundred forty-two thousand, four hundred fifty-five".

Divisors: 1 5 17 85 24839323 124196615 422268491 2111342455