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12152444473 = 132359368539
BaseRepresentation
bin10110101000101011…
…11001011000111001
31011100220222010212001
423110111321120321
5144342011210343
65325513021001
7610102034161
oct132425713071
934326863761
1012152444473
115176813444
1224319b4761
1311b890b260
14833d815a1
154b1d3444d
hex2d4579639

12152444473 has 16 divisors (see below), whose sum is σ = 13679487360. Its totient is φ = 10711666944.

The previous prime is 12152444471. The next prime is 12152444477. The reversal of 12152444473 is 37444425121.

It is a cyclic number.

It is not a de Polignac number, because 12152444473 - 21 = 12152444471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12152444471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143038 + ... + 211576.

It is an arithmetic number, because the mean of its divisors is an integer number (854967960).

Almost surely, 212152444473 is an apocalyptic number.

12152444473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12152444473 is a deficient number, since it is larger than the sum of its proper divisors (1527042887).

12152444473 is a wasteful number, since it uses less digits than its factorization.

12152444473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69168.

The product of its digits is 107520, while the sum is 37.

Adding to 12152444473 its reverse (37444425121), we get a palindrome (49596869594).

The spelling of 12152444473 in words is "twelve billion, one hundred fifty-two million, four hundred forty-four thousand, four hundred seventy-three".

Divisors: 1 13 23 299 593 7709 13639 68539 177307 891007 1576397 20493161 40643627 528367151 934803421 12152444473