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12302302312 = 231537787789
BaseRepresentation
bin10110111010100011…
…00011110001101000
31011202100221201011101
423131101203301220
5200143342133222
65352425011144
7613601562406
oct133521436150
934670851141
1012302302312
1152433688a3
122474023ab4
13121098a531
14849c30476
154c0086927
hex2dd463c68

12302302312 has 8 divisors (see below), whose sum is σ = 23066816850. Its totient is φ = 6151151152.

The previous prime is 12302302277. The next prime is 12302302333. The reversal of 12302302312 is 21320320321.

12302302312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7771127716 + 4531174596 = 88154^2 + 67314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12302302312.

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, 768893887 + ... + 768893902.

Almost surely, 212302302312 is an apocalyptic number.

It is an amenable number.

12302302312 is a deficient number, since it is larger than the sum of its proper divisors (10764514538).

12302302312 is a wasteful number, since it uses less digits than its factorization.

12302302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537787795 (or 1537787791 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12302302312 its reverse (21320320321), we get a palindrome (33622622633).

The spelling of 12302302312 in words is "twelve billion, three hundred two million, three hundred two thousand, three hundred twelve".

Divisors: 1 2 4 8 1537787789 3075575578 6151151156 12302302312