Search a number
-
+
11232212021 = 79191374323
BaseRepresentation
bin10100111010111110…
…11111010000110101
31001222210101111020122
422131133133100311
5141000421241041
65054321141325
7545226140552
oct123537372065
931883344218
1011232212021
114844322158
12221578a845
1310a007c704
14787a79a29
1545b15cc4b
hex29d7df435

11232212021 has 8 divisors (see below), whose sum is σ = 11380490880. Its totient is φ = 11084085792.

The previous prime is 11232211997. The next prime is 11232212023. The reversal of 11232212021 is 12021223211.

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-11232212021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232212023) 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, 113966 + ... + 188288.

It is an arithmetic number, because the mean of its divisors is an integer number (1422561360).

Almost surely, 211232212021 is an apocalyptic number.

It is an amenable number.

11232212021 is a deficient number, since it is larger than the sum of its proper divisors (148278859).

11232212021 is an equidigital number, since it uses as much as digits as its factorization.

11232212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76315.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11232212021 its reverse (12021223211), we get a palindrome (23253435232).

The spelling of 11232212021 in words is "eleven billion, two hundred thirty-two million, two hundred twelve thousand, twenty-one".

Divisors: 1 79 1913 74323 151127 5871517 142179899 11232212021