[go: up one dir, main page]

Search a number
-
+
2131110423 = 3213374112007
BaseRepresentation
bin111111100000110…
…0010101000010111
312111112001121220200
41333001202220113
513331031013143
6551245031543
7103545065631
oct17701425027
95445047820
102131110423
119a3a57892
124b58555b3
1327c6913b0
14163067a51
15c71601d3
hex7f062a17

2131110423 has 48 divisors (see below), whose sum is σ = 3487987776. Its totient is φ = 1244782080.

The previous prime is 2131110413. The next prime is 2131110551. The reversal of 2131110423 is 3240111312.

2131110423 is a `hidden beast` number, since 2 + 131 + 110 + 423 = 666.

2131110423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2131110423 - 25 = 2131110391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131110396 and 2131110405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131110413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171486 + ... + 183492.

It is an arithmetic number, because the mean of its divisors is an integer number (72666412).

Almost surely, 22131110423 is an apocalyptic number.

2131110423 is a deficient number, since it is larger than the sum of its proper divisors (1356877353).

2131110423 is a wasteful number, since it uses less digits than its factorization.

2131110423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12104 (or 12101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2131110423 is about 46163.9515531329. The cubic root of 2131110423 is about 1286.8718998493.

Adding to 2131110423 its reverse (3240111312), we get a palindrome (5371221735).

The spelling of 2131110423 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, four hundred twenty-three".

Divisors: 1 3 9 13 37 39 41 111 117 123 333 369 481 533 1443 1517 1599 4329 4551 4797 12007 13653 19721 36021 59163 108063 156091 177489 444259 468273 492287 1332777 1404819 1476861 3998331 4430583 5775367 6399731 17326101 18214619 19199193 51978303 54643857 57597579 163931571 236790047 710370141 2131110423