Search a number
-
+
2140011211 = 131961173821
BaseRepresentation
bin111111110001101…
…1111101011001011
312112010210211111111
41333203133223023
513340320324321
6552203511151
7104013536512
oct17743375313
95463724444
102140011211
119a8a87108
124b88284b7
13281489830
14164303679
15c7d1c5e1
hex7f8dfacb

2140011211 has 32 divisors (see below), whose sum is σ = 2482966080. Its totient is φ = 1827878400.

The previous prime is 2140011199. The next prime is 2140011233. The reversal of 2140011211 is 1121100412.

It is a cyclic number.

It is not a de Polignac number, because 2140011211 - 211 = 2140009163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140011191 and 2140011200.

It is not an unprimeable number, because it can be changed into a prime (2140011271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2606181 + ... + 2607001.

It is an arithmetic number, because the mean of its divisors is an integer number (77592690).

Almost surely, 22140011211 is an apocalyptic number.

2140011211 is a deficient number, since it is larger than the sum of its proper divisors (342954869).

2140011211 is a wasteful number, since it uses less digits than its factorization.

2140011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2140011211 is about 46260.2551981720. The cubic root of 2140011211 is about 1288.6609928736.

Adding to 2140011211 its reverse (1121100412), we get a palindrome (3261111623).

The spelling of 2140011211 in words is "two billion, one hundred forty million, eleven thousand, two hundred eleven".

Divisors: 1 13 19 61 173 247 793 821 1159 2249 3287 10553 10673 15067 15599 42731 50081 137189 142033 200507 202787 651053 951539 1846429 2606591 2698627 8664013 12370007 35082151 112632169 164616247 2140011211