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235221041224 = 23132261740781
BaseRepresentation
bin1101101100010001000…
…1000100000001001000
3211111010221212221222201
43123010101010001020
512323213041304344
6300020431125544
722664665601251
oct3330421040110
9744127787881
10235221041224
1190836166834
12397070738b4
1319248286480
14b555ac9b28
1561ba6184d4
hex36c4444048

235221041224 has 16 divisors (see below), whose sum is σ = 474965564220. Its totient is φ = 108563557440.

The previous prime is 235221041207. The next prime is 235221041227. The reversal of 235221041224 is 422140122532.

It can be written as a sum of positive squares in 2 ways, for example, as 230774552100 + 4446489124 = 480390^2 + 66682^2 .

It is a super-3 number, since 3×2352210412243 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235221041192 and 235221041201.

It is not an unprimeable number, because it can be changed into a prime (235221041227) 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, 1130870287 + ... + 1130870494.

Almost surely, 2235221041224 is an apocalyptic number.

It is an amenable number.

235221041224 is an abundant number, since it is smaller than the sum of its proper divisors (239744522996).

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

235221041224 is a wasteful number, since it uses less digits than its factorization.

235221041224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261740800 (or 2261740796 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 235221041224 its reverse (422140122532), we get a palindrome (657361163756).

The spelling of 235221041224 in words is "two hundred thirty-five billion, two hundred twenty-one million, forty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 2261740781 4523481562 9046963124 18093926248 29402630153 58805260306 117610520612 235221041224