Search a number
-
+
12552110217 = 33479970549
BaseRepresentation
bin10111011000010101…
…00000000010001001
31012101210000021012000
423230022200002021
5201201320011332
65433311141213
7623024114343
oct135412400211
935353007160
1012552110217
115361380209
122523814809
13125066366a
1487109a293
154d6e7db7c
hex2ec2a0089

12552110217 has 16 divisors (see below), whose sum is σ = 18634560000. Its totient is φ = 8350594992.

The previous prime is 12552110171. The next prime is 12552110227. The reversal of 12552110217 is 71201125521.

12552110217 is a `hidden beast` number, since 1 + 2 + 552 + 1 + 102 + 1 + 7 = 666.

It is not a de Polignac number, because 12552110217 - 214 = 12552093833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12552110227) 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, 472342 + ... + 498207.

It is an arithmetic number, because the mean of its divisors is an integer number (1164660000).

Almost surely, 212552110217 is an apocalyptic number.

It is an amenable number.

12552110217 is a deficient number, since it is larger than the sum of its proper divisors (6082449783).

12552110217 is an equidigital number, since it uses as much as digits as its factorization.

12552110217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971037 (or 971031 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 12552110217 its reverse (71201125521), we get a palindrome (83753235738).

The spelling of 12552110217 in words is "twelve billion, five hundred fifty-two million, one hundred ten thousand, two hundred seventeen".

Divisors: 1 3 9 27 479 1437 4311 12933 970549 2911647 8734941 26204823 464892971 1394678913 4184036739 12552110217