Search a number
-
+
232221103411421 = 1571479115308353
BaseRepresentation
bin110100110011010000110000…
…011000001101000011011101
31010110020010020222020201200102
4310303100300120031003131
5220414202304433131141
62141520522511110445
766625264265344655
oct6463206030150335
91113203228221612
10232221103411421
1167aa146497a773
1222066009812425
139c76482432947
14414b7c05b3365
151bca90cd4299b
hexd3343060d0dd

232221103411421 has 4 divisors (see below), whose sum is σ = 233700218719932. Its totient is φ = 230741988102912.

The previous prime is 232221103411369. The next prime is 232221103411601. The reversal of 232221103411421 is 124114301122232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109357423908100 + 122863679503321 = 10457410^2 + 11084389^2 .

It is a cyclic number.

It is not a de Polignac number, because 232221103411421 - 214 = 232221103395037 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 (232221103411321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739557654020 + ... + 739557654333.

It is an arithmetic number, because the mean of its divisors is an integer number (58425054679983).

Almost surely, 2232221103411421 is an apocalyptic number.

It is an amenable number.

232221103411421 is a deficient number, since it is larger than the sum of its proper divisors (1479115308511).

232221103411421 is a wasteful number, since it uses less digits than its factorization.

232221103411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479115308510.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 232221103411421 its reverse (124114301122232), we get a palindrome (356335404533653).

The spelling of 232221103411421 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, one hundred three million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 157 1479115308353 232221103411421