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3120231012 = 223260019251
BaseRepresentation
bin1011100111111010…
…1111001001100100
322001110021011021120
42321332233021210
522342234343022
61233341213540
7140215345263
oct27176571144
98043234246
103120231012
11136131a818
12730b612b0
133a958c652
142185825da
15133de2d5c
hexb9faf264

3120231012 has 12 divisors (see below), whose sum is σ = 7280539056. Its totient is φ = 1040077000.

The previous prime is 3120231011. The next prime is 3120231019. The reversal of 3120231012 is 2101320213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3120230982 and 3120231000.

It is not an unprimeable number, because it can be changed into a prime (3120231011) 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, 130009614 + ... + 130009637.

It is an arithmetic number, because the mean of its divisors is an integer number (606711588).

Almost surely, 23120231012 is an apocalyptic number.

It is an amenable number.

3120231012 is an abundant number, since it is smaller than the sum of its proper divisors (4160308044).

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

3120231012 is a wasteful number, since it uses less digits than its factorization.

3120231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260019258 (or 260019256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3120231012 is about 55859.0280259154. The cubic root of 3120231012 is about 1461.2647781712.

Adding to 3120231012 its reverse (2101320213), we get a palindrome (5221551225).

The spelling of 3120231012 in words is "three billion, one hundred twenty million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 260019251 520038502 780057753 1040077004 1560115506 3120231012