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12300031202 = 26150015601
BaseRepresentation
bin10110111010010001…
…11001010011100010
31011202012200022210012
423131020321103202
5200142301444302
65352304204522
7613543353164
oct133510712342
934665608705
1012300031202
115242057548
122473309742
131210373894
148497dc934
154bec88a52
hex2dd2394e2

12300031202 has 4 divisors (see below), whose sum is σ = 18450046806. Its totient is φ = 6150015600.

The previous prime is 12300031157. The next prime is 12300031229. The reversal of 12300031202 is 20213000321.

It is a happy number.

12300031202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20213000321 = 61331360661.

It can be written as a sum of positive squares in only one way, i.e., 10176572641 + 2123458561 = 100879^2 + 46081^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075007799 + ... + 3075007802.

Almost surely, 212300031202 is an apocalyptic number.

12300031202 is a deficient number, since it is larger than the sum of its proper divisors (6150015604).

12300031202 is an equidigital number, since it uses as much as digits as its factorization.

12300031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150015603.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12300031202 its reverse (20213000321), we get a palindrome (32513031523).

The spelling of 12300031202 in words is "twelve billion, three hundred million, thirty-one thousand, two hundred two".

Divisors: 1 2 6150015601 12300031202