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1230022011 = 31313129827
BaseRepresentation
bin100100101010000…
…1010010101111011
310011201111120222210
41021110022111323
510004341201021
6322015350203
742324005001
oct11124122573
93151446883
101230022011
11581351819
122a3b22363
13167aa649a
14b9506a71
1572ebae76
hex4950a57b

1230022011 has 8 divisors (see below), whose sum is σ = 1652549184. Its totient is φ = 813754760.

The previous prime is 1230021997. The next prime is 1230022033. The reversal of 1230022011 is 1102200321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230022011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230022111) 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, 1564521 + ... + 1565306.

It is an arithmetic number, because the mean of its divisors is an integer number (206568648).

Almost surely, 21230022011 is an apocalyptic number.

1230022011 is a deficient number, since it is larger than the sum of its proper divisors (422527173).

1230022011 is a wasteful number, since it uses less digits than its factorization.

1230022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129961.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1230022011 is about 35071.6696351913. The cubic root of 1230022011 is about 1071.4476608434.

Adding to 1230022011 its reverse (1102200321), we get a palindrome (2332222332).

The spelling of 1230022011 in words is "one billion, two hundred thirty million, twenty-two thousand, eleven".

Divisors: 1 3 131 393 3129827 9389481 410007337 1230022011