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3023131212 = 223283975867
BaseRepresentation
bin1011010000110001…
…0101001001001100
321210200112222101200
42310030111021030
522142410144322
61215552105500
7134626122423
oct26414251114
97720488350
103023131212
11131152a252
12704535290
13392422c4a
142097082ba
1512a6128ac
hexb431524c

3023131212 has 18 divisors (see below), whose sum is σ = 7641803988. Its totient is φ = 1007710392.

The previous prime is 3023131207. The next prime is 3023131217. The reversal of 3023131212 is 2121313203.

It is an interprime number because it is at equal distance from previous prime (3023131207) and next prime (3023131217).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3023131217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41987898 + ... + 41987969.

It is an arithmetic number, because the mean of its divisors is an integer number (424544666).

Almost surely, 23023131212 is an apocalyptic number.

It is an amenable number.

3023131212 is an abundant number, since it is smaller than the sum of its proper divisors (4618672776).

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

3023131212 is a wasteful number, since it uses less digits than its factorization.

3023131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83975877 (or 83975872 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3023131212 is about 54983.0083935028. The cubic root of 3023131212 is about 1445.9468596140.

Adding to 3023131212 its reverse (2121313203), we get a palindrome (5144444415).

The spelling of 3023131212 in words is "three billion, twenty-three million, one hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 83975867 167951734 251927601 335903468 503855202 755782803 1007710404 1511565606 3023131212