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231012412 = 22195635399
BaseRepresentation
bin11011100010011…
…11100000111100
3121002200122110021
431301033200330
5433114344122
634531221524
75503400401
oct1561174074
9532618407
10231012412
11109445054
12654478a4
1338b25047
14229762a8
15154331c7
hexdc4f83c

231012412 has 24 divisors (see below), whose sum is σ = 426384000. Its totient is φ = 109212336.

The previous prime is 231012407. The next prime is 231012413. The reversal of 231012412 is 214210132.

231012412 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

231012412 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012413) 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, 40089 + ... + 45487.

It is an arithmetic number, because the mean of its divisors is an integer number (17766000).

Almost surely, 2231012412 is an apocalyptic number.

It is an amenable number.

231012412 is a deficient number, since it is larger than the sum of its proper divisors (195371588).

231012412 is a wasteful number, since it uses less digits than its factorization.

231012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985 (or 5983 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 231012412 is about 15199.0924729077. The cubic root of 231012412 is about 613.5902333012.

Adding to 231012412 its reverse (214210132), we get a palindrome (445222544).

The spelling of 231012412 in words is "two hundred thirty-one million, twelve thousand, four hundred twelve".

Divisors: 1 2 4 19 38 76 563 1126 2252 5399 10697 10798 21394 21596 42788 102581 205162 410324 3039637 6079274 12158548 57753103 115506206 231012412