Search a number
-
+
12120628029 = 319832561959
BaseRepresentation
bin10110100100111001…
…00001101100111101
31011021201002200220020
423102130201230331
5144310340044104
65322415042353
7606234431646
oct132234415475
934251080806
1012120628029
11515a862264
1224232103b9
1311b214b563
1482da5c6cd
154ae14c2d9
hex2d2721b3d

12120628029 has 16 divisors (see below), whose sum is σ = 17216371200. Its totient is φ = 7562900016.

The previous prime is 12120628027. The next prime is 12120628033. The reversal of 12120628029 is 92082602121.

It is not a de Polignac number, because 12120628029 - 21 = 12120628027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120628027) 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, 1276249 + ... + 1285710.

It is an arithmetic number, because the mean of its divisors is an integer number (1076023200).

Almost surely, 212120628029 is an apocalyptic number.

12120628029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12120628029 is a deficient number, since it is larger than the sum of its proper divisors (5095743171).

12120628029 is a wasteful number, since it uses less digits than its factorization.

12120628029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562064.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 12120628029 in words is "twelve billion, one hundred twenty million, six hundred twenty-eight thousand, twenty-nine".

Divisors: 1 3 19 57 83 249 1577 4731 2561959 7685877 48677221 146031663 212642597 637927791 4040209343 12120628029