Search a number
-
+
1230211122 = 23729290741
BaseRepresentation
bin100100101010011…
…1000100000110010
310011201212012101220
41021110320200302
510004413223442
6322023405510
742325423230
oct11124704062
93151765356
101230211122
11581470908
122a3bb3896
13167b4159a
14b9555950
1573006eec
hex49538832

1230211122 has 16 divisors (see below), whose sum is σ = 2811911232. Its totient is φ = 351488880.

The previous prime is 1230211121. The next prime is 1230211127. The reversal of 1230211122 is 2211120321.

It is not an unprimeable number, because it can be changed into a prime (1230211121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14645329 + ... + 14645412.

It is an arithmetic number, because the mean of its divisors is an integer number (175744452).

Almost surely, 21230211122 is an apocalyptic number.

1230211122 is an abundant number, since it is smaller than the sum of its proper divisors (1581700110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230211122 is a wasteful number, since it uses less digits than its factorization.

1230211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29290753.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1230211122 is about 35074.3655965436. The cubic root of 1230211122 is about 1071.5025683040.

Adding to 1230211122 its reverse (2211120321), we get a palindrome (3441331443).

The spelling of 1230211122 in words is "one billion, two hundred thirty million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 29290741 58581482 87872223 175744446 205035187 410070374 615105561 1230211122