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2111300399 = 13162407723
BaseRepresentation
bin111110111010111…
…1110001100101111
312110010210011200002
41331311332030233
513310443103044
6545300254515
7103214520515
oct17565761457
95403704602
102111300399
1199385726a
124ab0a143b
132785465a0
1416058c4b5
15c554a74e
hex7dd7e32f

2111300399 has 4 divisors (see below), whose sum is σ = 2273708136. Its totient is φ = 1948892664.

The previous prime is 2111300293. The next prime is 2111300419. The reversal of 2111300399 is 9930031112.

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 2111300399 - 28 = 2111300143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111300599) 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, 81203849 + ... + 81203874.

It is an arithmetic number, because the mean of its divisors is an integer number (568427034).

Almost surely, 22111300399 is an apocalyptic number.

2111300399 is a deficient number, since it is larger than the sum of its proper divisors (162407737).

2111300399 is a wasteful number, since it uses less digits than its factorization.

2111300399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162407736.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 2111300399 is about 45948.8889854804. Note that the first 3 decimals coincide. The cubic root of 2111300399 is about 1282.8720500510.

The spelling of 2111300399 in words is "two billion, one hundred eleven million, three hundred thousand, three hundred ninety-nine".

Divisors: 1 13 162407723 2111300399