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230111544421 = 1126728384303
BaseRepresentation
bin1101011001001110110…
…1111000010001100101
3210222221212110122001101
43112103231320101211
512232232023410141
6253413425000101
722424243566153
oct3262355702145
9728855418041
10230111544421
1189653a71200
123871ba83031
131891283a595
14b1cd2843d3
155ebbc83531
hex3593b78465

230111544421 has 12 divisors (see below), whose sum is σ = 256707645376. Its totient is φ = 206070032520.

The previous prime is 230111544407. The next prime is 230111544431. The reversal of 230111544421 is 124445111032.

It is a happy number.

It is not a de Polignac number, because 230111544421 - 27 = 230111544293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230111544421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230111544431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14184045 + ... + 14200258.

Almost surely, 2230111544421 is an apocalyptic number.

It is an amenable number.

230111544421 is a deficient number, since it is larger than the sum of its proper divisors (26596100955).

230111544421 is a wasteful number, since it uses less digits than its factorization.

230111544421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28384392 (or 28384381 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 230111544421 its reverse (124445111032), we get a palindrome (354556655453).

The spelling of 230111544421 in words is "two hundred thirty billion, one hundred eleven million, five hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 11 67 121 737 8107 28384303 312227333 1901748301 3434500663 20919231311 230111544421