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2311045430 = 251992913093
BaseRepresentation
bin1000100110111111…
…1100000100110110
312222001122021100012
42021233330010312
514213111423210
61021153420222
7111161363531
oct21157740466
95861567305
102311045430
11a86585701
12545b6a672
132aaa41805
1417cd05a18
15d7d54305
hex89bfc136

2311045430 has 32 divisors (see below), whose sum is σ = 4383871200. Its totient is φ = 874755072.

The previous prime is 2311045427. The next prime is 2311045447. The reversal of 2311045430 is 345401132.

It is a junction number, because it is equal to n+sod(n) for n = 2311045396 and 2311045405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169964 + ... + 183056.

It is an arithmetic number, because the mean of its divisors is an integer number (136995975).

Almost surely, 22311045430 is an apocalyptic number.

2311045430 is a deficient number, since it is larger than the sum of its proper divisors (2072825770).

2311045430 is a wasteful number, since it uses less digits than its factorization.

2311045430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14048.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2311045430 is about 48073.3338764850. Note that the first 3 decimals coincide. The cubic root of 2311045430 is about 1322.1157968334.

Adding to 2311045430 its reverse (345401132), we get a palindrome (2656446562).

The spelling of 2311045430 in words is "two billion, three hundred eleven million, forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 929 1858 4645 9290 13093 17651 26186 35302 65465 88255 130930 176510 248767 497534 1243835 2487670 12163397 24326794 60816985 121633970 231104543 462209086 1155522715 2311045430