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12395073852 = 22327193137261
BaseRepresentation
bin10111000101100110…
…11101000100111100
31011222211111222210100
423202303131010330
5200341114330402
65405541241100
7616106250360
oct134263350474
934884458710
1012395073852
115290772497
12249b103190
131226c6cb35
1485829d2a0
154c82ae71c
hex2e2cdd13c

12395073852 has 432 divisors, whose sum is σ = 40644065280. Its totient is φ = 3107289600.

The previous prime is 12395073841. The next prime is 12395073857. The reversal of 12395073852 is 25837059321.

It is a junction number, because it is equal to n+sod(n) for n = 12395073798 and 12395073807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395073857) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 203197902 + ... + 203197962.

Almost surely, 212395073852 is an apocalyptic number.

12395073852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12395073852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20322032640).

12395073852 is an abundant number, since it is smaller than the sum of its proper divisors (28248991428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12395073852 is a wasteful number, since it uses less digits than its factorization.

12395073852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 12395073852 in words is "twelve billion, three hundred ninety-five million, seventy-three thousand, eight hundred fifty-two".