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12245324451 = 317491489011
BaseRepresentation
bin10110110011110000…
…01101001010100011
31011121101201221020020
423121320031022203
5200034300340301
65343031444523
7612310353243
oct133170151243
934541657206
1012245324451
115214191558
122458b26743
131201c2b019
1484243bb23
154ba07e436
hex2d9e0d2a3

12245324451 has 16 divisors (see below), whose sum is σ = 17322761088. Its totient is φ = 7667676800.

The previous prime is 12245324411. The next prime is 12245324467. The reversal of 12245324451 is 15442354221.

12245324451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12245324451 - 222 = 12241130147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12245324411) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 219465 + ... + 269546.

It is an arithmetic number, because the mean of its divisors is an integer number (1082672568).

Almost surely, 212245324451 is an apocalyptic number.

12245324451 is a deficient number, since it is larger than the sum of its proper divisors (5077436637).

12245324451 is a wasteful number, since it uses less digits than its factorization.

12245324451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489522.

The product of its digits is 38400, while the sum is 33.

Adding to 12245324451 its reverse (15442354221), we get a palindrome (27687678672).

The spelling of 12245324451 in words is "twelve billion, two hundred forty-five million, three hundred twenty-four thousand, four hundred fifty-one".

Divisors: 1 3 17 51 491 1473 8347 25041 489011 1467033 8313187 24939561 240104401 720313203 4081774817 12245324451