Search a number
-
+
233122013231 = 894592605909
BaseRepresentation
bin1101100100011100100…
…1111010000000101111
3211021201200012021220012
43121013021322000233
512304413213410411
6255032245443435
722561660263152
oct3310711720057
9737650167805
10233122013231
118a959331a58
123922011057b
1318ca2448b83
14b3d7013c99
1560e61e418b
hex364727a02f

233122013231 has 4 divisors (see below), whose sum is σ = 233124708600. Its totient is φ = 233119317864.

The previous prime is 233122013191. The next prime is 233122013263. The reversal of 233122013231 is 132310221332.

233122013231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 233122013231 - 230 = 232048271407 is a prime.

It is a super-2 number, since 2×2331220132312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233122013197 and 233122013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233122073231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213496 + ... + 1392413.

It is an arithmetic number, because the mean of its divisors is an integer number (58281177150).

Almost surely, 2233122013231 is an apocalyptic number.

233122013231 is a deficient number, since it is larger than the sum of its proper divisors (2695369).

233122013231 is an equidigital number, since it uses as much as digits as its factorization.

233122013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695368.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233122013231 its reverse (132310221332), we get a palindrome (365432234563).

The spelling of 233122013231 in words is "two hundred thirty-three billion, one hundred twenty-two million, thirteen thousand, two hundred thirty-one".

Divisors: 1 89459 2605909 233122013231