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1252812082213 = 23226392406029
BaseRepresentation
bin10010001110110001011…
…010110100110000100101
311102202201121221212012101
4102032301122310300211
5131011224343112323
62355311154452101
7156340564665136
oct22166132646045
94382647855171
101252812082213
1144335083a12a
12182978294031
13911a7b251b3
14448ca505c8d
15228c63a4dad
hex123b16b4c25

1252812082213 has 8 divisors (see below), whose sum is σ = 1307340460800. Its totient is φ = 1198288561008.

The previous prime is 1252812082169. The next prime is 1252812082219. The reversal of 1252812082213 is 3122802182521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252812082213 - 217 = 1252811951141 is a prime.

It is a super-2 number, since 2×12528120822132 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252812082219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682318 + ... + 1723711.

It is an arithmetic number, because the mean of its divisors is an integer number (163417557600).

Almost surely, 21252812082213 is an apocalyptic number.

It is an amenable number.

1252812082213 is a deficient number, since it is larger than the sum of its proper divisors (54528378587).

1252812082213 is a wasteful number, since it uses less digits than its factorization.

1252812082213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428691.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 1252812082213 in words is "one trillion, two hundred fifty-two billion, eight hundred twelve million, eighty-two thousand, two hundred thirteen".

Divisors: 1 23 22639 520697 2406029 55338667 54470090531 1252812082213